




RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Carl Lucibello (MIT) 
The Random Perceptron Problem: thresholds, phase transitions, and geometry 

April 20, 2018, 2:00  3:00 pm at CMSA Building, 20 Garden St, G02 
CMSA MIRROR SYMMETRY SEMINAR 
Alan Thompson (CAMBRIDGE) 
Threefolds fibred by K3 surfaces and mirror symmetry 

April 20, 2018, 10:45 AM  12:00 PM at Sci Center 530 
RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Yas Despande (MIT) 
Phase transitions in estimating lowrank matrices 

April 20, 2018, 3:00  4:00 pm at CMSA Building, 20 Garden St, G02 
CMSA MIRROR SYMMETRY SEMINAR 
Xiaomeng Xu (MIT) 
Stokes phenomenon, quantum groups and 2d topological field theory 

April 20, 2018, 9:30  10:45 AM at Sci Center 530 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Koszul Duality IV 

April 19, 2018, 3:00  5:00 pm at Science Center 507 
HARVARD LOGIC COLLOQUIUM 
Alekos Kechris (CALTECH) 
Borel equivalence relations, cardinal algebras, and structurability 

April 19, 2018, 4:00 â" 5:00 PM at Logic Center, Room 420, 2 Arrow Street 
CMSA COLLOQUIUM 
Washington Taylor (MIT) 
On the fibration structure of known CalabiYau threefolds 

April 18, 2018, 4:30 PM at CMSA Building, 20 Garden St, G10 
NUMBER THEORY SEMINAR 
John Voight (DARTMOUTH COLLEGE) 
On the paramodularity of typical abelian surfaces 

April 18, 2018, 3:00 PM at Sci Center 507 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Kathryn Lindsey (BOSTON COLLEGE) 
Galois conjugates of PCF generalized betatransformations 

April 18, 2018, 4:00 PM at Sci Center 530 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
June Park (BROWN UNIVERSITY) 
Arithmetic of the moduli of quasimaps and the moduli of fibered algebraic surfaces with heuristics for counting curves over global fields 

April 17, 2018, 3:00 PM at MIT 4153 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL ALGEBRAIC GEOMETRY SEMINAR 
Yefeng Shen (UNIVERSITY OF OREGON) 
LG/CY correspondence for Fermat elliptic curves 

April 17, 2018, 12:30  1:30 pm at CMSA Building, 20 Garden Street, G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Yuan Gao (STONY BROOK UNIVERSITY) 
On the extension of the Viterbo functor 

April 16, 2018, 12:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MIRROR SYMMETRY SEMINAR 
Fabian Haiden (HARVARD UNIVERSITY) 
Geometric flows, iterated logarithms, and balanced weight filtrations 

April 13, 2018, 11:00am  12:00pm at Science Center 530 
HARVARD LOGIC COLLOQUIUM 
Boris Zilber (UNIVERSITY OF OXFORD) 
Between Model Theory and Physics 

April 12, 2018, 4:00  5:00 pm at Logic Center, 2 Arrow St, Rm 420 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Mauricio Romo (INSTITUTE FOR ADVANCED STUDY) 
Gauged Linear Sigma Models, Supersymmetric Localization and Applications, Part 2 

April 12, 2018, 3:00  5:00 pm at CMSA Building, 20 Garden Street, G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS 
Pablo Parillo (MIT) 
Graph Structure in Polynomial Systems: Chordal Networks 

April 11, 2018, 4:30 PM at CMSA building, 20 Garden St., G10 
INFORMAL GEOMETRY & DYAMICS SEMINAR 
Corey Bregman (BRANDEIS UNIVERSITY) 
Kaehler groups and surface bundles 

April 11, 2018, 4:00 PM at Science Center 530 
NUMBER THEORY SEMINAR 
Dino J. Lorenzini (UNIVERSITY OF GEORGIA) 
Regular models of curves and wild quotient singularities 

April 11, 2018, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Eric Larson (MIT) 
The Maximal Rank Conjecture 

April 10, 2018, 3:00 PM at Science Center 507 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Mauricio Romo (INSTITUTE FOR ADVANCED STUDY) 
Gauged Linear Sigma Models, Supersymmetric Localization and Applications, Part 1 

April 10, 2018, 3:00  5:00 pm at CMSA Building, 20 Garden Street, G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Brandon B. Meredith (EMBRYRIDDLE AERONAUTICAL UNIVERSITY) 
Mirror Symmetry on Toric Surfaces via Tropical Geometry 

April 09, 2018, 12:00 PM at CMSA Building, 20 Garden Street, G02 
THURSDAY SEMINAR 
Gijs Heuts (UTRECHT UNIVERSITY) 
Coalgebras and the Goodwillie tower of the BousfieldKuhn functor 

April 05, 2018, 3:00  5:00 pm at Science Center 507 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Francis Bonahon (UNIVERSITY OF SOUTHERN CALIFORNIA) 
What to do when you cannot confine your planes? TeichmĂŒller spaces of noncompact Riemann surfaces 

April 04, 2018, 4:00 pm at Science Center 530 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Ramesh Narayan (DEPARTMENT OF ASTRONOMY, HARVARD UNIVERSITY) 
Black Holes and Naked Singularities *Postponed from 3/21/18* 

April 04, 2018, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
NUMBER THEORY SEMINAR 
Jennifer Balakrishnan (BOSTON UNIVERSITY) 
Effective aspects of quadratic Chabauty 

April 04, 2018, 3:00 PM at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Marcel Bischoff (OHIO UNIVERSITY) 
Quantum Symmetries and Conformal Nets 

April 03, 2018, 4:00 PM at Jefferson 356 
LOGIC SEMINAR 
Warren Goldfarb () 
Two Notes on Weak Arithmetic 

April 03, 2018, 5:15 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Billiards, quadrilaterals and moduli spaces 

April 03, 2018, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
CheukYu Mak (UNIVERSITY OF CAMBRIDGE) 
Discrete Legendre transform and tropical multiplicity from symplectic geometry 

April 02, 2018, 12:00 PM at CMSA Building, 20 Garden Street, Room G10 
SPECIAL DIFFERENTIAL GEOMETRY SEMINAR 
D.H. Phong (COLUMBIA UNIVERSITY) 
The Anomaly Flow and FuYau Hessian Equations 

March 30, 2018, 3:00  4:15 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Zhiwei Zheng (TSINGHUA UNIVERSITY) 
Moduli Spaces of Cubic Fourfolds with Automorphisms 

March 30, 2018, 9:30  11:00 am at Science Center 530 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MIRROR SYMMETRY SEMINAR 
YuWei Fan (HARVARD UNIVERSITY) 
Systoles, Special Lagrangians, and Bridgeland stability conditions 

March 30, 2018, 11:00  12:00 at Science Center 530 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Koszul Duality II 

March 29, 2018, 3:00  5:00 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Andrea Montanari (STANFORD UNIVERSITY) 
A Mean Field View of the Landscape of TwoLayers Neural Networks 

March 28, 2018, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
INFORMAL GEOMETRY & DYAMICS SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Planes immersed in hyperbolic 3manifolds 

March 28, 2018, 4:00 PM at Science Center 530 
NUMBER THEORY SEMINAR 
Chuck Doran (UNIVERSITY OF ALBERTA AND ICERM) 
Arithmetic MIrror Symmetry for K3 Pencils and Hypergeometric Decomposition 

March 28, 2018, 3:00 PM at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Feng Xu (UNIVERSITY OF CALIFORNIA, RIVERSIDE) 
On Questions Around the Reconstruction Program 

March 27, 2018, 4:00 PM at Jefferson 356 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Allen Knutson (CORNELL UNIVERSITY) 
Deformations of normal crossings 

March 27, 2018, 3:00 PM at Science Center 507 
LOGIC SEMINAR 
Marcos Mazari Armida (CARNEGIE MELLON UNIVERSITY) 
Nonforking wgood frames 

March 27, 2018, 5:15 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Yi Xie (SCGP) 
Surgery, Polygons and Instanton Floer homology 

March 26, 2018, 12:00 PM at CMSA Building, 20 Garden Street, G02 
MATHEMATICAL PHYSICS SEMINAR 
Wei Zhang (MIT) 
Superpositivity of Lfunctions and âcompletion of squareâ 

March 23, 2018, 3:00 PM at Jefferson 250 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Koszul Duality 

March 22, 2018, 3:00  5:00 pm at Science Center 507 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
GW Invariants via Quantum Cohomology 

March 22, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
HARVARD LOGIC COLLOQUIUM 
Donald Martin (UCLA) 
Cantor's Grundlagen 

March 22, 2018, 4:00  5:00 pm at Logic Center, 2 Arrow St, Rm 420 
NUMBER THEORY SEMINAR 
Ananth Shankar (MIT) 
Exceptional splitting of reductions of abelian surfaces 

March 21, 2018, 3:00 pm at Science Center 507 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Kenneth Bromberg (UNIVERSITY OF UTAH) 
Bounds on renormalized volume and the volume of the convex core 

March 21, 2018, 4:00 pm at Science Center 530 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Ramesh Narayan (DEPARTMENT OF ASTRONOMY, HARVARD UNIVERSITY) 
Black Holes and Naked Singularities 

March 21, 2018, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
MATHEMATICAL PHYSICS SEMINAR 
Jurg Frolich (ETH ZĂŒRICH) 
Physics in 2Dâ"from KosterlitzThouless Transition to Topological Insulators 

March 20, 2018, 4:00 PM at Jefferson 356 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
GW Invariants via Quantum Cohomology 

March 20, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Tathagata Basak (IOWA STATE) 
A complex ball quotient and the monster 

March 20, 2018, 3:00 PM at MIT 4153 
DIFFERENTIAL GEOMETRY SEMINAR 
TamĂĄs Darvas (UNIVERSITY OF MARYLAND) 
Complex MongeAmpere equations with prescribed singularity 

March 20, 2018, 3:45 pm **change in time** at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Emanuel Scheidegger (ALBERT LUDWIGS UNIVERSITY OF FREIBURG) 
From Gauged Linear Sigma Models to LandauGinzburg orbifolds via central charge functions 

March 19, 2018, 12:00 PM at CMSA Building, 20 Garden Street, G02 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Dmytro Shklyarov (TECHNISCHE UNIVERSITĂ€T CHEMNITZ) 
On categories of matrix factorizations and their homological invariants 

March 15, 2018, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Quantum Cohomology 

March 15, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Dmytro Shklyarov (TECHNISCHE UNIVERSITĂ€T CHEMNITZ) 
On categories of matrix factorizations and their homological invariants 

March 13, 2018, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Ariyan Javanpeykar (JOHANNES GUTENBERG UNIVERSITY MAINZ) 
Arithmetic, algebraic, and analytic hyperbolicity 

March 13, 2018, 3:00 PM at MIT 4153 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Quantum Cohomology 

March 13, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MIRROR SYMMETRY SEMINAR 
Shinobu Hosono (GAKUSHUIN UNIVERSITY) 
Gluing monodromy nilpotent cones of a family of K3 surfaces 

March 09, 2018, 11:00  12:00 at Science Center 530 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MIRROR SYMMETRY SEMINAR 
Guangbo Xu (PRINCETON UNIVERSITY) 
Open quantum Kirwan map 

March 09, 2018, 9:30  11:00 am at Science Center 530 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Adam Jacob (UC DAVIS) 
The deformed HermitianYangMills equation (continued) 

March 08, 2018, 4:005:00 pm at CMSA Building, 20 Garden St., G10 
HARVARD LOGIC COLLOQUIUM 
Dima Sinapova (UNIVERSITY OF ILLINOIS AT CHICAGO) 
Stronger tree properties and the SCH 

March 08, 2018, 4:00  5:00 pm at Logic Center, 2 Arrow St, Rm 420 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Quantum Cohomology 

March 08, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
THURSDAY SEMINAR 
Sander Kupers (HARVARD UNIVERSITY) 
The work of AroneDwyer 

March 08, 2018, 3:00  5:00 pm at Science Center 507 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Dmytro Shklyarov (TECHNISCHE UNIVERSITĂ€T CHEMNITZ) 
On categories of matrix factorizations and their homological invariants 

March 08, 2018, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Richard Kenyon (BROWN UNIVERSITY) 
Harmonic functions and the chromatic polynomial 

March 07, 2018, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
NUMBER THEORY SEMINAR 
Jesse Wolfson (UNIVERSITY OF CALIFORNIA, IRVINE) 
The theory of resolvent degree, after Hamilton, Klein, Hilbert, and Brauer 

March 07, 2018, 3:00 PM at Science Center 507 * please also note the talk at the Informal Geometry & Dynamics Seminar* 
INFORMAL GEOMETRY & DYAMICS SEMINAR 
Jesse Wolfson & Benson Farb (UC IRVINE & UNIVERSITY OF CHICAGO) 
The geometry of Hilbert's 13th problem 

March 07, 2018, 4:00 PM at Science Center 530 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Quantum Cohomology 

March 06, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS HOMOLOGICAL MIRROR SYMMETRY 
Adam Jacob (UC DAVIS) 
The deformed HermitianYangMills equation 

March 06, 2018, 4:00  5:00 pm at CMSA Building, 20 Garden St., G10 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Michael Kemeny (STANFORD UNIVERSITY) 
Betti numbers of the canonical ring of a curve 

March 06, 2018, 3:00 PM at MIT 4153 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Dmytro Shklyarov (TECHNISCHE UNIVERSITĂ€T CHEMNITZ) 
On categories of matrix factorizations and their homological invariants 

March 06, 2018, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
CMSA SPECIAL MATHEMATICAL PHYSICS SEMINAR 
Emanuel Scheidegger (ALBERT LUDWIGS UNIVERSITY OF FREIBURG) 
Periods and quasiperiods of modular forms and the mirror quintic at the conifold 

March 05, 2018, 11:00  12:00 at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Shinobu Hosono (GAKUSHUIN UNIVERSITY) 
Movable vs monodromy nilpotent cones of CalabiYau manifolds 

March 05, 2018, 12:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MIRROR SYMMETRY SEMINAR 
Chuck Doran (UNIVERSITY OF ALBERTA AND ICERM) 
Mirror Symmetry for Lattice Polarized del Pezzo Surfaces 

March 02, 2018, 11:00  12:00 at Science Center 530 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Quantum Cohomology 

March 01, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Colin Diemer (IHES) 
Moduli spaces of LandauGinzburg models and (mostly Fano) HMS 

March 01, 2018, 3:00  5:00 pm at CMSA Building, 20 Garden Street, Room G10 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Background for the work of AroneDwyer 

March 01, 2018, 3:00  5:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Wei Zhang (MIT) 
Special cycles on simple Shimura varieties 

February 28, 2018, 3:00 PM at Sci Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
YuShen Lin (COLUMBIA UNIVERSITY) 
Tropical/Holomorphic Correspondence for HyperK\ 

February 28, 2018, 4:15 PM at Science Center 232 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Richard Schwartz (BROWN UNIVERSITY) 
5 points on the sphere 

February 28, 2018, 4:00 PM at Science Center 530 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Nick Salter (HARVARD UNIVERSITY) 
Vanishing cycles for linear systems on toric surfaces 

February 27, 2018, 3:00 PM at Science Center 507 
LOGIC SEMINAR 
Alexander Van Abel (CITY UNIVERSITY OF NEW YORK) 
The FefermanVaught Theorem and the Product of All Prime Finite Fields 

February 27, 2018, 5:15 pm at Science Center 507 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Quantum Cohomology 

February 27, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Colin Diemer (IHES) 
Moduli spaces of LandauGinzburg models and (mostly Fano) HMS 

February 27, 2018, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
MATHEMATICAL PHYSICS SEMINAR 
Hans Wenzl (UNIVERSITY OF CALIFORNIA, SAN DIEGO) 
Coideal Algebras and Subfactors 

February 27, 2018, 4:00 PM at Jefferson 356 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Jordan Keller (BHI) 
Linear Stability of Schwarzschild Black Holes 

February 26, 2018, 12:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Tom Hou (CALIFORNIA INSTITUTE OF TECHNOLOGY) 
Computerassisted analysis of singularity formation of a regularized 3D Euler equation 

February 26, 2018, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MIRROR SYMMETRY SEMINAR 
Jingyu Zhao (BRANDEIS & HARVARD) 
Connection on S^1equivariant Floer theory 

February 23, 2018, 11:00 am at Science Center 530 
MATHEMATICAL PHYSICS SEMINAR 
Xinqi Gong (INSTITUTE FOR MATHEMATICAL SCIENCES, RENNIN UNIVERSITY OF CHINA) 
Mathematical Intelligence Applications in Biomedical Problems 

February 23, 2018, 3:00 pm at Jefferson 250 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Mustazee Rahman (MIT) 
On shocks in the TASEP 

February 23, 2018, 3:30 pm at CMSA Building, 20 Garden Street, G02 
THURSDAY SEMINAR 
Jeremy Hahn (HARVARD UNIVERSITY) 
Chromatic convergence of the Goodwillie tower on spheres 

February 22, 2018, 3:00  5:00 pm at Science Center 507 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Computing GW Invariants 

February 22, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Don Rubin (HARVARD STATISTICS) 
Essential concepts of causal inference â" a remarkable history 

February 21, 2018, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Ian Biringer (BOSTON COLLEGE) 
Convex cores of thick hyperbolic 3manifolds with bounded rank 

February 21, 2018, 4:00 PM at Science Center 530 
NUMBER THEORY SEMINAR 
Juan RiveraLetelier (UNIVERSITY OF ROCHESTER) 
Hecke and Linnik 

February 21, 2018, 3:00 PM at Science Center 507 
LOGIC SEMINAR 
Andrew BrookeTaylor (UNIVERSITY OF LEEDS) 
Products of CW complexes: the full story 

February 20, 2018, 5:15 pm at Science Center 507 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Computing GW Invariants 

February 20, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Reza Gheissari (NEW YORK UNIVERSITY) 
Dynamics of Critical 2D Potts Models 

February 16, 2018, 3:30 pm at CMSA Building, 20 Garden Street, G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Jens Hoppe (KTH) 
New Constructions and Quantization of Minimal Surfaces 

February 16, 2018, 9:30 am at Science Center 530 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MIRROR SYMMETRY SEMINAR 
ManWai Cheung (HARVARD UNIVERSITY) 
Quiver representations and theta functions 

February 16, 2018, 11:00 am at Science Center 530 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Computing GW Invariants 

February 15, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Simion Filip (HARVARD UNIVERSITY) 
Hypergeometric equations and Lyapunov exponents (via Hodge theory) 

February 14, 2018, 4:00 PM at Science Center 530 
NUMBER THEORY SEMINAR 
Hansheng Diao (PRINCETON UNIVERSITY) 
Towards a $p$adic RiemannHilbert correspondence 

February 14, 2018, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Zhengwei Liu (HARVARD PHYSICS) 
A new program on quantum subgroups 

February 14, 2018, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Jesse Kass (UNIVERSITY OF SOUTH CAROLINA) 
How to count lines on a cubic surface arithmetically 

February 13, 2018, 3:00 PM at Science Center 507 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
GromovWitten invariants 

February 13, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
MATHEMATICAL PHYSICS SEMINAR 
Nicholas Early (UNIVERSITY OF MINNESOTA) 
Canonical Bases for Permutohedral Plates 

February 13, 2018, 4:00 PM at Jefferson 356 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Matthew Stroffregen (MIT) 
Equivariant Khovanov Spaces 

February 12, 2018, 12:00 PM at CMSA Building, 20 Garden Street, Room G10 
LOGIC SEMINAR 
Alice Medvedev () 
Unions of chains of signatures 

February 12, 2018, 5:15 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MIRROR SYMMETRY SEMINAR 
Dan Xie (CMSA, HARVARD) 
Three dimensional mirror symmetry 

February 09, 2018, 11:00  12:00 at Science Center 530 
THURSDAY SEMINAR 
Ben Knudsen (HARVARD UNIVERSITY) 
The derivatives of the identity functor 

February 08, 2018, 3:00  5:00 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Fan Chung (UNIVERSITY OF CALIFORNIA, SAN DIEGO) 
Sequences: random, structured or something in between 

February 08, 2018, 5:00 pm at CMSA Building, 20 Garden Street, Room G10 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Phil Engel (HARVARD UNIVERSITY) 
Penrose Tilings of Riemann Surfaces 

February 07, 2018, 4:00 PM at Science Center 530 
NUMBER THEORY SEMINAR 
Alex Kontorovich (RUTGERS AND IAS) 
Sphere Packings and Arithmetic 

February 07, 2018, 3:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Linyuan Lu (UNIVERSITY OF SOUTH CAROLINA) 
Ricciflat graphs with girth at leave five 

February 06, 2018, 4:30 PM at Science Center 530 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Ivan Losev (NORTHEASTERN UNIVERSITY) 
BGG category O: towards symplectic duality 

February 06, 2018, 3:00 PM at CMSA Building, 20 Garden Street, G02 
MATHEMATICAL PHYSICS SEMINAR 
Jacob Shapiro (ETH ZĂŒRICH) 
BulkEdge Duality and Complete Localization for Disordered Chiral Chains 

February 06, 2018, 4:00 PM at Jefferson 356 
LOGIC SEMINAR 
Jesse Han (MCMASTER UNIVERSITY) 
Strong conceptual completeness for \omegacategorical theories 

February 06, 2018, 5:15 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Bhargav Bhatt (UNIVERSITY OF MICHIGAN) 
Prisms and deformations of de Rham cohomology 

February 06, 2018, 3:00 PM at MIT  4153 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Hyungchul Kim (CMSA & HARVARD PHYSICS) 
Seiberg duality and superconformal index in 3d 

February 05, 2018, 12:00 PM at CMSA Building, 20 Garden Street, G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MIRROR SYMMETRY SEMINAR 
Minxian Zhu (YAU MATHEMATICAL SCIENCES CENTER, TSINGHUA UNIVERSITY) 
The hyperplane conjecture for periods of CalabiYau hypersurfaces in P^n 

February 02, 2018, 11:00 am at Science Center 530 
MATHEMATICAL PHYSICS SEMINAR 
Yunxiang Ren (TENNESSEE STATE UNIVERSITY) 
A New Skein Theory for OneWay YangBaxter Planar Algebras 

February 02, 2018, 4:00 PM at Jefferson 250 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Overview 

February 01, 2018, 3:00  5:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Chen Wan (INSTITUTE FOR ADVANCED STUDY) 
The local trace formula for the GinzburgRallis model and the generalized Shalika model 

January 31, 2018, 3:00  4:00 PM at Science Center 507 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
The behavior of planes in confinement 

January 31, 2018, 4:00 PM at Science Center 530 
LOGIC SEMINAR 
Rehana Patel () 
Stable regularity for finite relational structures 

January 30, 2018, 5:15  6:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Valentino Tosatti (NORTHWESTERN UNIVERSITY) 
Estimates for collapsing CalabiYau metrics 

January 30, 2018, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Cumrun Vafa (HARVARD PHYSICS) 
All genus GromovWitten invariants for Compact CalabiYau threefolds 

January 30, 2018, 1  2:30 pm at CMSA Building, 20 Garden Street, Room G10 
MATHEMATICAL PHYSICS SEMINAR 
Kaifung Bu (HARVARD UNIVERSITY) 
De Finetti Theorems for Braiding Parafermions 

January 30, 2018, 4:00 PM at Jefferson 356 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Qiang Wen (YAU MATHEMATICAL SCIENCES CENTER, TSINGHUA UNIVERSITY) 
Holographic entanglement entropy in general spacetimes 

January 29, 2018, 12:00  1:00 pm at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MIRROR SYMMETRY SEMINAR 
Matthew Young (CHINESE UNIVERISTY OF HONG KONG) 
Algebra and geometry of orientifold DonaldsonThomas theory 

January 26, 2018, 11:0012:00pm at Science Center 530 
CMSA SPECIAL SEMESTERLONG LECTURE SERIES 
Artan Sheshmani (QGM/CMSA) 
Quantum Cohomology, Nakajima Varieties and Quantum groups 

January 25, 2018, 1:00  3:00pm at CMSA Building, 20 Garden St., G10 
HARVARD LOGIC COLLOQUIUM 
Aki Kanamori (BOSTON UNIVERSITY) 
AspectPerception and the History of Mathematics 

January 25, 2018, 4:005:00 PM at Logic Center, Room 420, 2 Arrow St 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Ivan Losev (NORTHEASTERN UNIVERSITY) 
BGG category O: towards symplectic duality 

January 25, 2018, 3:00  5:00pm at CMSA Building, 20 Garden St., G10 
MATHEMATICAL PHYSICS SEMINAR 
Bin Gui (VANDERBILT UNIVERSITY) 
A Unitary Tensor Product Theory for Unitary Vertex Operator Algebra Modules 

January 23, 2018, 4:00 PM at Jefferson 356 
CMSA SPESIAL SEMINAR 
Shannon Ray (FLORIDA ATLANTIC UNIVERSITY) 
Wang and Yauâs QuasiLocal Energy for an Extreme Kerr Spacetime 

January 19, 2018, 4:00pm at CMSA Building, 20 Garden St., G10 
MATHEMATICAL PHYSICS SEMINAR 
Marco De Renzi (UNIVERSITY OF PARIS 7) 
Renormalized Hennings Invariants and TQFTs 

January 16, 2018, 4:00 PM at Jefferson 356 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Marco Gualtieri (UNIVERSITY OF TORONTO) 
Holomorphic symplectic Morita equivalence and the generalized Kaehler potential 

December 12, 2017, 3:00 pm at Science Center Hall A 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Ankur Moitra (MIT) 
A New Approach to Approximate Counting and Sampling 

December 06, 2017, 3:00  4:00 pm at CMSA Building, 20 Garden Street, Room G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Phillipe Rigollet (MIT) 
Exact recovery in the Ising blockmodel 

December 06, 2017, 2:00  3:00 PM at CMSA Building, 20 Garden Street, Room G10 
DIFFERENTIAL GEOMETRY SEMINAR 
Eveline Legendre (INSTITUT DE MATHĂ©MATIQUES DE TOULOUSE, UNIVERSITĂ© PAUL SABATIER) 
An application of the equivariant localization formula in Sasaki geometry 

December 06, 2017, 4:15 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Robert Lemke Oliver (TUFTS UNIVERSITY) 
TateShafarevich groups in quadatric twist families 

December 06, 2017, 3:15 pm *sharp at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Sara Venkatesh (COLUMBIA UNIVERSITY) 
Closedstring mirror symmetry for subdomains 

December 06, 2017, 12:00 PM at CMSA Building, 20 Garden Street, Room G10 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Comparison of Stable and Unstable v_nPeriodic Homotopy 

November 30, 2017, 4:00  6:00 PM at Science Center 507 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Jane Wang (MIT) 
Finitely many algebraically primitive TeichmĂŒller curves in genus g at least 3 

November 29, 2017, 4:00 PM at Science Center 530 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Amitai Zernik (INSTITUTE FOR ADVANCED STUDY) 
Computing the Aâ algebra of RP^2m âȘ CP^2m using open fixedpoint localization 

November 29, 2017, 12:00 PM at CMSA Building, 20 Garden Street, Room G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
David Gamarink (MIT) 
(Arguably) Hard on Average Constraint Satisfaction Problems 

November 29, 2017, 3:00 PM at CMSA Building, 20 Garden Street, Room G10 
NUMBER THEORY SEMINAR 
Renee Bell (MIT) 
LocaltoGlobal Lifting for Curves in Characteristic p 

November 29, 2017, 3:15 pm *sharp at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Valentijn Karemaker (UNIVERSITY OF PENNSYLVANIA) 
Dynamics of Belyi maps 

November 28, 2017, 3:00 PM at MIT 4237 
DIFFERENTIAL GEOMETRY SEMINAR 
Gabor Szekelyhidi (UNIVERSITY OF NOTRE DAME) 
New CalabiYau metrics on C^n 

November 28, 2017, 4:15 PM at Science Center 507 
SPECIAL SEMINAR ON GEOMETRY 
Ryosuke Takahashi (TOHOKU UNIVERSITY) 
A new parabolic flow approach to the KahlerEinstein problem 

November 22, 2017, 4:00  5:15 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Dhruv Ranganathan (MIT) 
Curves, maps, and singularities in genus one 

November 21, 2017, 3:00 PM at Science Center Hall A 
DIFFERENTIAL GEOMETRY SEMINAR 
SiuCheong Lau (BOSTON UNIVERSITY) 
Moduli theory of Lagrangian immersions and mirror symmetry 

November 21, 2017, 4:15 PM at Science Center 507 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Laurent Fargues (INSTITUTE OF MATHEMATICS OF JUSSIEU) 
Structure of the Picard stack and the AbelJacobi morphism for the curve. 

November 20, 2017, 4:00  6:00 PM at Science Center 507 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Yue M. Lu (HARVARD JOHN A. PAULSON SCHOOL OF ENGINEERING AND APPLIED SCIENCES) 
Asymptotic Methods for HighDimensional Inference: Precise Analysis, Fundamental Limits, and Optimal Designs 

November 20, 2017, 12:00 PM at Science Center 232 
BRANDEIS, HARVARD, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Spencer Bloch (UNIVERSITY OF CHICAGO) 
Periods, motivic gamma functions, and Hodge structures 

November 16, 2017, Tea at 4 pm, Talk at 4:30 pm at Science Center Hall A 
HARVARD LOGIC COLLOQUIUM 
Steve Jackson (UNIVERSITY OF NORTH TEXAS) 
Combinatorics of Definable Sets 

November 15, 2017, 4:00  5:00 pm at Logic Center, 2 Arrow St, Rm 420 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Matthew Morrow (INSTITUTE OF MATHEMATICS OF JUSSIEU) 
Perfectoid afterparty: proetale topology 

November 15, 2017, 5:00 pm *note special day/time* at Science Center 507 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Daniel Sussman (BOSTON UNIVERSITY) 
Multiple Network Inference: From Joint Embeddings to Graph Matching 

November 15, 2017, 4:00  5:00 pm *note change in time* at CMSA Building, 20 Garden Street, G02 
NUMBER THEORY SEMINAR 
Lucia Mocz (PRINCETON UNIVERSITY) 
A New Northcott Property for Faltings Height 

November 15, 2017, 3:15 pm *sharp at Science Center 507 
LOGIC SEMINAR 
Linda Brown Westrick (UNIVERSITY OF CONNECTICUT) 
Towards a notion of computable reducibility for discontinuous functions 

November 14, 2017, 5:15 pm at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Dennis Gaitsgory (HARVARD UNIVERSITY) 
Higher Representation Theory 

November 14, 2017, 4:00 PM at Jefferson 356 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Yusuf Baris Kartal (MIT) 
Dynamical invariants of categories associated to mapping tori 

November 13, 2017, 12:30  1:30 pm at CMSA Building, 20 Garden Street, G02 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Matthew Morrow (INSTITUTE OF MATHEMATICS OF JUSSIEU) 
Foundations of perfectoid spacesIV 

November 13, 2017, 4:00  6:00 PM at Science Center 507 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Zhe Wang (NYU) 
A Driven Tagged Particle in Onedimensional Simple Exclusion Process 

November 10, 2017, 12:00 PM at Science Center 232 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Siqi He (CALIFORNIA INSTITUTE OF TECHNOLOGY) 
The extended Bogomolny Equations, Generalized Nahm Pole, and SL(2,R) Higgs bundle 

November 10, 2017, 3:30  4:30 PM at Science Center 507 
BRANDEIS, HARVARD, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Jeremy Quastel (UNIVERSITY OF TORONTO) 
The KPZ fixed point 

November 09, 2017, Tea at 4 pm, Talk at 4:30 pm at Math Common Room & Science Center Hall A 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Coanalytic Functors 

November 09, 2017, 4:00  6:00 PM at Science Center 507 
HARVARD LOGIC COLLOQUIUM 
Victoria Gitman (CUNY GRADUATE CENTER) 
Virtual Large Cardinal Principles 

November 08, 2017, 4:00  5:00 pm at Logic Center, 2 Arrow St, Rm 420 
NUMBER THEORY SEMINAR 
Kazim Buyuboduk (UC DUBLIN AND HARVARD UNIVERSITY) 
Nonordinary symmetric squares and Euler systems of rank 2 

November 08, 2017, 3:15 pm *sharp at Science Center 507 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Elchanan Mossel (MIT) 
Optimal Gaussian Partitions 

November 08, 2017, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Eduard Duryev (HARVARD UNIVERSITY) 
Squaretilings of modular curves X(d) 

November 08, 2017, 4:00 PM at Science Center 530 
MATHEMATICAL PHYSICS SEMINAR 
Liming Ge (UNH AND CHINESE ACADEMY OF SCIENCES) 
From Riemann and Hilbert to KadisonSinger 

November 07, 2017, 4:00 PM at Jefferson 356 
DIFFERENTIAL GEOMETRY SEMINAR 
Julius Ross (UNIVERSITY OF ILLINOIS AT CHICAGO) 
The MongeAmpere Equation and the HeleShaw flow 

November 07, 2017, 4:15 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Matthew Morrow (CNRS) 
(Topological) Hochschild homology and and crystalline cohomology 

November 07, 2017, 3:00 PM at Science Center Hall A 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Pietro Benetti Genolini (UNIVERSITY OF OXFORD) 
Topological AdS/CFT 

November 06, 2017, 12:00 PM at CMSA Building, 20 Garden Street, Room G10 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Matthew Morrow (INSTITUTE OF MATHEMATICS OF JUSSIEU) 
Foundations of perfectoid spacesIII 

November 06, 2017, 4:00  6:00 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Kevin Sackel (MIT) 
Perverse sheaves from complex Lagrangian intersections 

November 03, 2017, 3:30  4:30 PM at Science Center 507 
CMSA ALGEBRAIC GEOMETRY SEMINAR 
Alexander Moll (IHES) 
Hibert Schemes from Geometric Quantization of Dispersive Periodic BenjaminOno Waves 

November 02, 2017, 3:00 PM at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Chenglong Yu (HARVARD UNIVERSITY) 
PicardFuchs systems of zero loci of vector bundle sections 

November 01, 2017, 12:30  1:30 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
WeiMing Wang (CNRS) 
Quasiperiodic solutions to nonlinear PDE's 

November 01, 2017, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS ALGEBRAIC GEOMETRY SEMINAR 
Shamil Shakirov (HARVARD UNIVERSITY) 
Undulation invariants of plane curves 

November 01, 2017, 5:00 PM *note time change* at CMSA Building, 20 Garden Street, Room G10 
NUMBER THEORY SEMINAR 
Alexander Smith (HARVARD UNIVERSITY) 
$2^\infty$Selmer groups, $2^\infty$class groups, and Goldfeld's conjecture 

November 01, 2017, 3:15 pm *sharp at Science Center 507 
JOINT MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Kay Kirkpatrick (UIUC MATH AND PHYSICS, MIT MATH) 
Quantum groups, Free ArakiWoods Factors, and a Calculus for Moments 

November 01, 2017, 2:00  3:00 pm at CMSA Building, 20 Garden St, G10 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Bena Tshishiku (HARVARD UNIVERSITY) 
Cohomology of arithmetic groups and characteristic classes of manifold bundles 

November 01, 2017, 4:00 PM at Science Center 530 
DIFFERENTIAL GEOMETRY SEMINAR 
Bill Goldman (BROWN UNIVERSITY AND UNIVERSITY OF MARYLAND) 
Dynamics on moduli spaces of flat connections 

October 31, 2017, 4:15 PM at Science Center 507 
LOGIC SEMINAR 
Sebastien Vasey (HARVARD UNIVERSITY) 
Nonelementary classification theory 

October 31, 2017, 5:15 pm at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Zhenghan Wang (MICROSOFT) 
Reconstructing chiral CFTs/VOAs from 2D TQFTs/MTCs 

October 31, 2017, 4:00 PM at Jefferson 356 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Nick Rozenblyum (UNIVERSITY OF CHICAGO) 
Shifted symplectic structures and quantization 

October 31, 2017, 3:00 PM at MIT 4237 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Matthew Morrow (INSTITUTE OF MATHEMATICS OF JUSSIEU) 
Foundations of perfectoid spacesII 

October 30, 2017, 4:00  6:00 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Piotr Suwara (MIT) 
The Category of Perverse Sheaves is a Stack, cont'd 

October 27, 2017, 3:30  4:30 PM at Science Center 507 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Noga Alon (TEL AVIV UNIVERSITY) 
Random Cayley Graphs 

October 25, 2017, 3:00  4:00 PM at CMSA Building, 20 Garden St, G10 
NUMBER THEORY SEMINAR 
Pierre Colmez (UPMC AND IAS) 
On the cohomology of padic analytic curves 

October 25, 2017, 3:15 pm *sharp at Science Center 507 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Subhabrata Sen (MICROSOFT AND MIT) 
Partitioning sparse random graphs: connections with meanfield 

October 25, 2017, 2:00  3:00 pm at CMSA Building, 20 Garden St, G10 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Sander Kupers (HARVARD UNIVERSITY) 
The metastable homology of mapping class groups 

October 25, 2017, 4:00 PM at Science Center 530 
LOGIC SEMINAR 
Will Boney (HARVARD UNIVERSITY) 
Interpolation beyond $\mathbb{L}_{\omega_1, \omega}$ 

October 24, 2017, 5:15 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
David Hansen (COLUMBIA UNIVERSITY) 
Vanishing theorems in rigid analytic geometry 

October 24, 2017, 1:30  2:30 pm *note change in time at MIT 24449 *note change in location 
DIFFERENTIAL GEOMETRY SEMINAR 
Yevgeniy Liokumovich (MIT) 
Heegaard splittings isotopic to an index 1 minimal surface 

October 24, 2017, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Florian Beck (UNIVERSITY OF HAMBURG) 
Hitchin systems in terms of CalabiYau threefolds 

October 23, 2017, 12:00 PM at CMSA Building, 20 Garden Street, Room G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Madhu Sudan (CS, HARVARD) 
General Strong Polarization 

October 23, 2017, 12:00  1:00 PM at Science Center 232 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Matthew Morrow (INSTITUTE OF MATHEMATICS OF JUSSIEU) 
Review of foundations of perfectoid spaces 

October 23, 2017, 4:00  6:00 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Piotr Suwara (MIT) 
The Category of Perverse Sheaves is a Stack 

October 20, 2017, 3:30  4:30 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
The BousfieldKuhn functor 

October 19, 2017, 4:00  6:00 PM at Science Center 507 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Rohini Ramadas (HARVARD UNIVERSITY) 
Algebraic dynamics from topological and holomorphic dynamics 

October 18, 2017, 4:00 PM at Science Center 530 
NUMBER THEORY SEMINAR 
V. Kumar Murty (UNIVERSITY OF TORONTO) 
The Lindelof class of Lfunctions 

October 18, 2017, 3:15 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Nati Blaier (CMSA, HARVARD) 
Geometry of the symplectic Torelli group 

October 18, 2017, 12:00 PM at CMSA Building, 20 Garden St, G10 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Dave Jensen (UNIVERSITY OF KENTUCKY) 
Linear Systems on General Curves of Fixed Gonality 

October 17, 2017, 3:00 PM at Science Center Hall A 
LOGIC SEMINAR 
Cameron Freer (BORELIAN AND REMINE) 
Feedback Computability 

October 17, 2017, 5:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Gang Liu (NORTHWESTERN) 
Recent progress of Yau's uniformization conjecture 

October 17, 2017, 4:00 PM at Science Center 507 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Zijian Yao (HARVARD UNIVERSITY) 
Properties of the curve (incl. line bundles) 

October 16, 2017, 4:00  6:00 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Jiangfeng Lin (MIT) 
Nearby cycles and vanishing cycles 

October 13, 2017, 3:30  4:30 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
v_nPeriodic Homotopy Groups 

October 12, 2017, 4:00  6:00 PM at Science Center 507 
SPECIAL MATHEMATICAL PHYSICS SEMINAR 
Yasayuki Kawahigashi (UNIVERSITY OF TOKYO) 
From Vertex Operator Algebras to Operator Algebras and Back 

October 12, 2017, 2:00 pm *please note special date, time and location at Jefferson 453 
NUMBER THEORY SEMINAR 
Joseph Silverman (BROWN UNIVERSITY) 
Moduli Spaces of Rational Maps and a Dynamical Shafarevich Theorem 

October 11, 2017, 3:15 pm *sharp at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
ManWai Cheung (HARVARD UNIVERSITY) 
Quiver representations and theta functions 

October 10, 2017, 3:00 PM at Science Center 411 
LOGIC SEMINAR 
Nate Ackerman (HARVARD UNIVERSITY) 
Trees, Sheaves and Definition by Recursion 

October 10, 2017, 5:15 PM at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Reflection Positivity and Invertible Topological Phases 

October 10, 2017, 4:00 PM at Jefferson 356 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Jianfeng Lin (MIT) 
Constructible sheaves and nearby cycles 

October 06, 2017, 3:30 PM at Science Center 507 
NUMBER THEORY SEMINAR 
David Corwin (MIT) 
Etale Homotopy Obstructions for Rational Points Applied to Open Subvarieties 

October 04, 2017, 3:15 pm at Science Center 507 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Nattalie Tamam (TEL AVIV UNIVERSITY) 
Divergent trajectories in arithmetic homogeneous spaces of rational rank two 

October 04, 2017, 4:00 PM at Science Center 530 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Dingxin Zhang (BRANDEIS UNIVERSITY) 
<1 part of slopes under degeneration 

October 04, 2017, 12:00  1:00 PM at CMSA Building, 20 Garden Street, Room G10 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Yuchen Liu (YALE UNIVERSITY) 
Kstability of cubic threefolds 

October 03, 2017, 3:00 PM at MIT 4237 
LOGIC SEMINAR 
Jason Rute () 
A uniform reducibility in computably presented Polish spaces 

October 03, 2017, 5:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Valentino Tosatti (NORTHWESTERN UNIVERSITY) 
Special Kahler geometry and collapsing 

October 03, 2017, 4:15 PM at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Alina Vdovina (UNIVERSITY OF NEWCASTLE AND NEW YORK UNIVERSITY) 
Buildings, surfaces and quaternions 

October 03, 2017, 4:00 PM at Jefferson 356 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Jacob Lurie (HARVARD UNIVERSITY) 
Constructing Functions on Y: Power Series in the Variable p 

October 02, 2017, 4:00  6:00 PM at Science Center 507 
BOSTON GRADUATE TOPOLOGY SEMINAR 
Yu Pan (MIT) 
Augmentations and Exact Lagrangian cobordisms 

September 30, 2017, 11:30 am  12:15 pm at Science Center 507 
BOSTON GRADUATE TOPOLOGY SEMINAR 
Melissa Zhang (BOSTON COLLEGE) 
Annular Khovanov homology of 2periodic links 

September 30, 2017, 10:30  11:15 am at Science Center 507 
BOSTON GRADUATE TOPOLOGY SEMINAR 
Cliff Taubes (HARVARD UNIVERSITY) 
What are Z/2 harmonic forms? 

September 30, 2017, 9:30  10:15 am at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Boyu Zhang (HARVARD UNIVERSITY) 
Orientation and duality 

September 29, 2017, 3:30  4:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
YuWei Fan (HARVARD UNIVERSITY) 
WeilPetersson geometry on the space of Bridgeland stability conditions 

September 27, 2017, 12:00  1:00 PM at CMSA Building, 20 Garden Street, Room G10 
NUMBER THEORY SEMINAR 
David Rohrlich (BOSTON UNIVERSITY) 
Counting Artin representatives 

September 27, 2017, 3:15 pm at Science Center 507 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Yusheng Luo (HARVARD UNIVERSITY) 
Trees in degenerating families of rational maps and isometric Gactions 

September 27, 2017, 4:00 PM at Science Center 530 
RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Herbert Spohn (TECHNICAL UNIVERSITY MUNICH & COLUMBIA) 
Hydrodynamics of integrable classical and quantum systems 

September 27, 2017, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
MATHEMATICAL PHYSICS SEMINAR 
Jinsong Wu (HARVARD UNIVERSITY) 
The BrascampLieb Inequalities for Planar Algebras 

September 26, 2017, 4:00 PM at Jefferson 356 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Alina Marian (NORTHEASTERN UNIVERSITY) 
On the intersection theory of Hilbert schemes of points on a surface 

September 26, 2017, 3:00 PM at Science Center Hall A 
LOGIC SEMINAR 
Gabriel Goldberg (HARVARD UNIVERSITY) 
The least strongly compact cardinal and the Ultrapower Axiom 

September 26, 2017, 5:15 pm at Science Center 507 
LEARNING SEMINAR ON THE FARGUEFONTAINE CURVE 
Dennis Gaitsgory (HARVARD UNIVERSITY) 
The relative FarguesFontaine curve and ``untilts", continued 

September 25, 2017, 4:00  5:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Boyu Zhang (HARVARD UNIVERSITY) 
Derived category of sheaves and the six functors 

September 22, 2017, 3:30  4:30 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Unstable chromatic localizations 

September 21, 2017, 4:00  6:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Koji Shimizu (HARVARD UNIVERSITY) 
Local constancy of generalized HodgeTate weights of a padic local system 

September 20, 2017, 3:15  4:15 pm at Science Center 507 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Nick Salter (HARVARD UNIVERSITY) 
Plane curves, (higher) spin structures, and mapping class groups 

September 20, 2017, 4:00 PM at Science Center 530 
LOGIC SEMINAR 
Will Boney (HARVARD UNIVERSITY) 
Modeltheoretic characterizations of large cardinals 

September 19, 2017, 5:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Peter Smillie (HARVARD UNIVERSITY) 
Weingarten foliations of three dimensional Lorentzian spaceforms 

September 19, 2017, 4:00  5:15 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Giulia Sacca (MIT) 
Degenerations of hyperkahler manifolds 

September 19, 2017, 3:00 PM at MIT 4237 
LEARNING SEMINAR ON THE FARGUEFONTAINE CURVE 
Dennis Gaitsgory (HARVARD UNIVERSITY) 
The FarguesFontaine curve and "untilts" 

September 18, 2017, 4:00  5:30 PM *note earlier ending at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Yoosik Kim (BOSTON UNIVERSITY) 
Monotone Lagrangian tori in cotangent bundles 

September 18, 2017, 12:00  1:00 PM at CMSA Building, 20 Garden Street, Room G10 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Boyu Zhang (HARVARD UNIVERSITY) 
Flat SL_2(C) connections and complex Lagrangian intersections 

September 15, 2017, 3:30 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
The BousfieldKuhn functor 

September 14, 2017, 4:00  6:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS ALGEBRAIC GEOMETRY SEMINAR 
YuWei Fan (HARVARD UNIVERSITY) 
Entropy of an autoequivalence on CalabiYau manifolds 

September 14, 2017, 3:30  4:30 PM at CMSA Building, 20 Garden Street, Room G10 
NUMBER THEORY SEMINAR 
Ari Shnidman (BOSTON COLLEGE) 
Ranks of abelian varieties in quadratic twist families 

September 13, 2017, 3:15  4:15 pm at Science Center 507 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Philip Engel (HARVARD UNIVERSITY) 
Tilings and Hurwitz Theory 

September 13, 2017, 4:00  6:00 PM at Science Center 530 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Rohini Ramadas (HARVARD UNIVERSITY) 
Dynamics on the moduli space of pointconfigurations on the Riemann Sphere 

September 12, 2017, 3:00 PM at Science Center 411 
MATHEMATICAL PHYSICS SEMINAR 
William Norledge (HARVARD UNIVERSITY) 
A Construction of Lattices in Buildings 

September 12, 2017, 4:00 PM at Jefferson 356 
DIFFERENTIAL GEOMETRY SEMINAR 
Jordan Keller (HARVARD BLACK HOLE INITIATIVE) 
Linear Stability of Higher Dimensional Schwarzschild Black Holes 

September 12, 2017, 4:00  5:15 pm at Science Center 507 
LOGIC SEMINAR 
Sebastien Vasey (HARVARD UNIVERSITY) 
Internal sizes in $\mu$abstract elementary classes 

September 12, 2017, 5:15 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
YuShen Lin (HARVARD  CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS) 
From the Decomposition of PicardLefschetz Transformation to Tropical Geometry 

September 11, 2017, 12:00  1:00 PM at CMSA Building, 20 Garden Street, Room G10 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Jacob Lurie (HARVARD UNIVERSITY) 
An Overview 

September 11, 2017, 4:00  6:00 PM at Science Center 232 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
To Rational Homotopy Theory and Beyond 

September 07, 2017, 4:00  6:00 PM *note new time* at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Arthur Jaffe and Zhengwei Liu (HARVARD UNIVERSITY) 
Introduction to the Mathematical Picture Language Project 

September 05, 2017, 4:00 PM at Jefferson 356 
LOGIC SEMINAR 
Nate Ackerman (HARVARD UNIVERSITY) 
Vaught's Conjecture for a Grothendieck topos 

September 05, 2017, 5:00  6:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL ALGEBRAIC GEOMETRY SEMINAR 
Will Donovan (KAVLI IPMU) 
Twists and braids for general threefold flops 

August 31, 2017, 3:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS SPECIAL SEMINAR 
Juven Wang (IAS) 
Link Invariants of Topological Quantum Matter and New Topological Boundary Conditions 

May 24, 2017, 11:30 AM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
ZhengCheng Gu (CHINESE UNIVERSITY OF HONG KONG) 
A topological world: from topological material to the origin of elementary particles 

May 23, 2017, 12:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Kwok Wai Chan (CHINESE UNIVERSITY OF HONG KONG) 
Scattering diagrams from asymptotic analysis on MaurerCartan equations 

May 17, 2017, 3:30  4:30 pm at CMSA Building, 20 Garden St, G10 
SPECIAL LECTURE SERIES 
JeanPierre Serre (COLLĂšGE DE FRANCE) 
Cohomological invariants mod 2 of Weyl groups, Pt. 2 

May 09, 2017, 2:00 pm at Science Center 507 
SPECIAL LECTURE SERIES 
JeanPierre Serre (COLLĂšGE DE FRANCE) 
Cohomological invariants mod 2 of Weyl groups, Pt. 1 

May 08, 2017, 3:00 pm at Science Center 507 
GAUGE THEORY, TOPOLOGY AND SYMPLECTIC GEOMETRY SEMINAR 
Daniel CristofaroGardiner (HARVARD UNIVERSITY) 
Two or infinity 

May 05, 2017, 3:30  4:30 pm at Science Center 507 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Ahmad Rafiqi (CORNELL UNIVERSITY) 
Surface homeomorphisms from matrices and typical properties of biPerron numbers 

May 03, 2017, 4:00  6:00 pm at Science Center 507 
SPECIAL BASIC NOTIONS SEMINAR 
JeanPierre Serre (COLLĂšGE DE FRANCE) 
Some simple facts on lattices and orthogonal group representations 

May 03, 2017, 3:00 pm at Science Center Hall D 
JOINT DEPT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Ilya Soloveychik (HARVARD SCHOOL OF ENGINEERING & APPLIED SCIENCES) 
Deterministic Random Matrices 

May 03, 2017, 3:00 pm at CMSA Building, 20 Garden St, G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
XueMei Li (UNIV. OF WARWICK) 
Perturbation to conservation law and stochastic averaging 

May 03, 2017, 4:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Simona Cocco (CNRS & ECOLE NORMALE SUPĂ©RIEURE, PARIS, FRANCE) 
Reverse modeling of protein sequence data: from graphical models to structural and functional predictions. 

May 02, 2017, 4:00pm at CMSA Building, 20 Garden St, G10 
THURSDAY SEMINAR 
Marc Hoyois (MIT) 
BlochKato implies BeilinsonLichtenbaum 

April 27, 2017, 4:00  6:00 pm *note change in time this week* at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Mehran Kardar (MIT) 
Levitation by Casimir forces in and out of equilibrium 

April 27, 2017, 3:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS SPECIAL SEMINAR 
David Carchedi (GEORGE MASON UNIVERSITY) 
Dgmanifolds as a model for derived manifolds 

April 27, 2017, 2:00  3:00 pm at CMSA Building, 20 Garden St, G10 
RANDOM MATRIX & PROBABILITY SEMINAR 
Ashkan Nikeghbali (UNIVERSITY OF ZURICH) 
Random Matrix models in number theory: an infinite dimension point of view. 

April 26, 2017, 2:00  3:00 pm at CMSA Building, 20 Garden St, G10 
NUMBER THEORY SEMINAR 
Henri Darmon (MCGILL UNIVERSITY) 
Singular moduli for real quadratic fields: a rigid analytic approach. 

April 26, 2017, 3:00 PM at Science Center 507 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Eduard Duryev (HARVARD UNIVERSITY) 
Dilation surfaces: geometry, dynamics and moduli space. Part 2 

April 26, 2017, 4:00  6:00 pm at Science Center 530 
DIFFERENTIAL GEOMETRY SEMINAR 
Georgios Daskalopoulos (BROWN UNIVERSITY) 
Rigidity of Group Actions in General NPC Spaces 

April 25, 2017, 4:15 pm at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Fei Wei (UNIVERSITY OF NEW HAMPSHIRE) 
On divisor function in arithmetic progressions (joint work with Yitang Zhang and Boqing Xue) 

April 25, 2017, 2:45 PM at Jefferson 453 
HARVARD MIT ALGEBRAIC GEOMETRY SEMINAR 
Yaim Cooper (HARVARD UNIVERSITY) 
A Fock Space Approach to Severi Degrees 

April 25, 2017, 3:00 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Patrick Jefferson (HARVARD UNIVERSITY) 
Towards A Classification of 5d N = 1 SCFTs 

April 24, 2017, 12:00 pm at CMSA Building, 20 Garden St, G10 
THURSDAY SEMINAR 
Dan BerwickEvans (UNIVERSITY OF ILLINOIS URBANACHAMPAIGN) 
Field theories and elliptic cohomology from the vantage of characters 

April 21, 2017, 3:00 pm at MIT 2131 *note special location* 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL LECTURE SERIES ON DONALDSONTHOMAS AND GROMOVWITTEN THEORIES 
Artan Sheshmani (THE QGM AARHUS AND CMSA HARVARD) 
Proof of Sduality conjecture on quintic threefold II 

April 21, 2017, 9:00  10:30 AM at CMSA Building, 20 Garden St, G10 
GAUGE THEORY, TOPOLOGY AND SYMPLECTIC GEOMETRY SEMINAR 
Jonathan Weitsman (NORTHWESTERN UNIVERSITY) 
On the geometric quantization of (some) Poisson manifolds 

April 21, 2017, 3:30  4:30 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Noam Elkies (HARVARD UNIVERSITY) 
Remarks on isogenies between elliptic curves over lowdegree number fields 

April 19, 2017, 3:00 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS COLLOQUIUM 
Cumrun Vafa (HARVARD PHYSICS) 
String Swampland 

April 19, 2017, 4:30 PM at CMSA Building, 20 Garden St, G10 
JOINT DPT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Weijun Xu (UNIVERSITY OF WARWICK) 
Meaing of infinities in KPZ and Phi^4_3 

April 19, 2017, 3:00  4:00 PM *note correction of time* at CMSA Building, 20 Garden St, G10 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Jane Wang (MIT) 
Dilation surfaces: geometry, dynamics and moduli space. Part 1 

April 19, 2017, 4:00 PM at Science Center 530 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL LECTURE SERIES ON DONALDSONTHOMAS AND GROMOVWITTEN THEORIES 
Artan Sheshmani (THE QGM AARHUS AND CMSA HARVARD) 
Proof of Sduality conjecture on quintic threefold I 

April 19, 2017, 9:00  10:30 AM at CMSA Building, 20 Garden St, G10 
MATHEMATICAL PHYSICS SEMINAR 
Charles Zhaoxi Xiong (HARVARD UNIVERSITY) 
What generalized cohomology theories may have to do with symmetry protected topological phases 

April 18, 2017, 2:45 PM at Jefferson 453 
HARVARD MIT ALGEBRAIC GEOMETRY SEMINAR 
Angelo Vistoli (SCUOLA NORMALE) 
Motive classes of classifying spaces 

April 18, 2017, 3:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Fangyang Zheng (OHIO STATE UNIVERSITY) 
On compact Kahler manifolds with positive or negative holomorphic sectional curvature 

April 18, 2017, 4:15 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Ingmar Saberi (UNIVERSITĂ€T HEIDELBERG) 
Holographic lattice field theories 

April 17, 2017, 12:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL LECTURE SERIES ON DONALDSONTHOMAS AND GROMOVWITTEN THEORIES 
Artan Sheshmani (AARHUS UNIVERSITY/CMSA) 
DT versus MNOP invariants and S_duality conjecture on general complete intersections 

April 14, 2017, 9:00  10:30 am at CMSA Building, 20 Garden St, G10 
GAUGE THEORY, TOPOLOGY AND SYMPLECTIC GEOMETRY SEMINAR 
Alvaro Pelayo (UC SAN DIEGO) 
Introduction to symplectic and spectral geometry of finite dimensional integrable systems 

April 14, 2017, 3:30  4:30 pm at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Nima ArkaniHamed (IAS, PRINCETON) 
The Amplituhedron and Scattering Amplitudes as Binary Code 

April 13, 2017, 2:45 pm at Jefferson 453 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Tom Church (STANFORD UNIVERSITY) 
Asymptotic representation theory over Z 

April 13, 2017, Tea at 4:00 PM, the Austine & Chilton McDonnell Common Room, Science Center 4th Floor, Talk at 4:30 pm at Science Center Hall A 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Lothar GĂ¶ttsche (ICTP) 
Virtual refinements of the VafaWitten formula 

April 13, 2017, 9:30 am at CMSA Building, 20 Garden St, G10 
NUMBER THEORY SEMINAR 
Jan Vonk (MCGILL UNIVERSITY) 
Crystalline cohomology of towers of curves 

April 12, 2017, 3:00 pm at Science Center 507 
JOINT DPT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Oanh Nguyen (YALE UNIVERSITY) 
Roots of random polynomials 

April 12, 2017, 2:00  3:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL LECTURE SERIES ON DONALDSONTHOMAS AND GROMOVWITTEN THEORIES 
Artan Sheshmani (AARHUS UNIVERSITY/CMSA) 
Stable pair PT invariants on nodal fibrations: perverse sheaves, Wallcrossings, and an analog of fiberwise Tduality 

April 12, 2017, 9:00  10:30 am at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Shlomo Razamat (ISRAEL INSTITUTE OF TECHNOLOGY) 
Complicated four dimensional physics and simple mathematics 

April 12, 2017, 4:30 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Subhajit Goswami (UNIVERSITY OF CHICAGO) 
Liouville firstpassage percolation and Watabiki's prediction 

April 12, 2017, 3:00 pm at CMSA Building, 20 Garden St, G10 
HARVARD MIT ALGEBRAIC GEOMETRY SEMINAR 
Mihnea Popa (NORTHWESTERN UNIVERSITY) 
Hodge ideals 

April 11, 2017, 3:00 pm at MIT 4153 
DIFFERENTIAL GEOMETRY SEMINAR 
Luca Spolaor (MIT) 
Optimal regularity for three dimensional mass minimizing cones in arbitrary codimension 

April 11, 2017, 4:15 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Burkhard Schwab (CMSA) 
Large Gauge symmetries in Supergravity 

April 10, 2017, 12:00 pm at CMSA Building, 20 Garden St, G10 
HARVARD MIT ALGEBRAIC GEOMETRY SEMINAR 
Mihnea Popa (NORTHWESTERN UNIVERSITY) 
Families of varieties and Hodge theory 

April 10, 2017, 12:00 pm **Special Talk** at MIT 2361 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL LECTURE SERIES ON DONALDSONTHOMAS AND GROMOVWITTEN THEORIES 
Artan Sheshmani (AARHUS UNIVERSITY/CMSA) 
Stable pair PT invariants on nodal fibrations: perverse sheaves, Wallcrossings, and an analog of fiberwise Tduality 

April 07, 2017, 9:00  10:30 am at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
John Loftin (RUTGERS UNIVERSITY) 
Families of projective domains and neckseparating degenerations of convex $RP^2$ surfaces 

April 06, 2017, 3:00  4:30 pm at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL LECTURE SERIES ON DONALDSONTHOMAS AND GROMOVWITTEN THEORIES 
Artan Sheshmani (AARHUS UNIVERSITY/CMSA) 
Stable pair PT invariants on smooth fibrations 

April 05, 2017, 9:00  10:30 am at CMSA Building, 20 Garden St, G10 
JOINT DEPT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Steven Heilman (UCLA) 
Noncommutative Majorization Principles and Grothendieck's Inequality 

April 05, 2017, 3:00 pm at CMSA Building, 20 Garden St, G10 
NUMBER THEORY SEMINAR 
Frank Calegari (UNIVERSITY OF CHICAGO) 
Modularity lifting theorems beyond Shimura varieties 

April 05, 2017, 3:00 pm at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Zhengwei Liu (HARVARD UNIVERSITY) 
Quon language in mathemtics 

April 04, 2017, 2:45 pm at Jefferson 453 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Scott Mullane (HARVARD UNIVERSITY) 
Extremal effective divisors in Mg,n 

April 04, 2017, 3:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
ChiuChu Melissa Liu (COLUMBIA UNIVERSITY) 
GW theory, FJRW theory, and MSP fields 

April 04, 2017, 4:15 pm *change in time this week* at Science Center 507 *change in location this week* 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Nathan Haouzi (UC BERKELEY) 
Little Strings and Classification of surface defects 

April 03, 2017, 12:00 pm at CMSA Building, 20 Garden St, G02 
BRANDEIS, HARVARD, MIT, NORTHEASTERN JOINT MATHEMATICS COLLOQUIUM AT HARVARD 
Alexander Goncharov (YALE UNIVERSITY) 
Quantum Hodge Field Theory 

March 30, 2017, 4:30 pm, Tea at 4 pm in the Math Common Room at Science Center Hall A 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Etale motivic cohomolgy II 

March 30, 2017, 3:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
RakKyeong Seong (UPPSALA UNIVERSITY) 
The Mirror and the Elliptic Genus of Brane Brick Models 

March 30, 2017, 3:00 pm at CMSA Building, 20 Garden St, G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Leslie Greengard (COURANT INSTITUTE) 
Inverse problems in acoustic scattering and cryoelectron microscopy 

March 29, 2017, 4:00 pm at CMSA Building, 20 Garden St, G10 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Matt Bainbridge (INDIANA UNIVERSITY) 
Smooth compactifications of strata of abelian differentials 

March 29, 2017, 4:00 pm at Science Center 530 
NUMBER THEORY SEMINAR 
Martin Olsson (UC BERKELEY) 
Local fundamental groups and reduction mod $p$ 

March 29, 2017, 3:00 pm at Science Center 507 
JOINT DEPT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Nina Holden (MIT) 
Percolationdecorated triangulations and their relation with SLE and LQG 

March 29, 2017, 3:00 pm at CMSA Building, 20 Garden St, G02 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
David Stapleton (STONY BROOK UNIVERSITY) 
Hilbert schemes of points on surfaces and their tautological bundles 

March 28, 2017, 3:00 pm at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Hannes Pichler (HARVARD UNIVERSITY) 
Photonic tensor networks produced by a single quantum emitter 

March 28, 2017, 2:45 pm at Jefferson 453 
DIFFERENTIAL GEOMETRY SEMINAR 
Jordan Keller (COLUMBIA UNIVERSITY) 
Linear stability of Schwarzschild spacetime 

March 28, 2017, 3:00  4:00 PM at CMSA Building, 20 Garden St, G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Agnese Bissi (HARVARD UNIVERSITY) 
Loops in AdS from conformal symmetry 

March 27, 2017, 12:00 pm at CMSA Building, 20 Garden St, G02 
JOINT DPT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Chiranjib Mukherjee (COURANT INSTITUTE) 
Compactness and Large Deviations 

March 24, 2017, 2:00 at Science Center Room 232 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Etale motivic cohomology 

March 23, 2017, 3:00  5:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Peter Sarnak (PRINCETON UNIVERSITY) 
Integral points on Markoff type cubic surfaces 

March 22, 2017, 3:00 pm at Science Center 507 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Alexander Fribergh (UNIVERSITĂ© DE MONTRĂ©AL) 
The ant in the labyrinth 

March 22, 2017, 3:00 PM at CMSA Building, 20 Garden St, G10 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Oleg Ivrii (CALIFORNIA INSTITUTE OF TECHNOLOGY) 
Differentiating Blaschke products 

March 22, 2017, 4:00 pm at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
James Wootton (UNIVERSITY OF BASEL) 
Topological Error Correction 

March 21, 2017, 2:45 pm at Jefferson 453 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Brian Osserman (UC DAVIS) 
Limit linear series and the maximal rank conjecture 

March 21, 2017, 3:00 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SOCIAL SCIENCE APPLICATIONS FORUM 
Danielle Li (HARVARD UNIVERSITY) 
Financing Novel Drugs 

March 21, 2017, 4:30  5:30 PM at CMSA Building, 20 Garden St, G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Philippe Sosoe (CMSA) 
New bounds for the chemical distance in 2D critical percolation 

March 20, 2017, 12:00 pm at CMSA Building, 20 Garden St, G10 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Aleksey Zinger (STONY BROOK UNIVERSITY) 
Enumerative geometry of curves: old and new 

March 14, 2017, **CANCELED DUE TO WEATHER. to be rescheduled** at **CANCELED DUE TO WEATHER** 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL LECTURE SERIES ON DONALDSONTHOMAS AND GROMOVWITTEN THEORIES 
Artan Sheshmani (THE QGM AARHUS AND CMSA HARVARD) 
Conifold Transitions and modularity of DT invariants on Nodal fibrations 

March 10, 2017, 9:00  10:30 am at CMSA Building, 20 Garden St, G10 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Dawei Chen (BOSTON COLLEGE & HARVARD UNIVERSITY) 
Extremal and rigid divisors on moduli spaces of curves 

March 08, 2017, 4:00 pm at Science Center 530 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Andreas Malmendier (UTAH STATE UNIVERSITY) 
Kummer surfaces, modular forms, and their roles in string dualities 

March 08, 2017, 11 am  12 pm at CMSA Building, 20 Garden St, G10 
NUMBER THEORY SEMINAR 
Taylor Dupuy (VERMONT) 
On The Integers of CC(t)^{alg} 

March 08, 2017, 3:00 pm at Science Center 507 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Xiaoqin Guo (STONY BROOK UNIVERSITY) 
Harnack inequality for a balanced random environment 

March 08, 2017, 3:00 pm at CMSA Building, 20 Garden St, G10 
CMSA SPECIAL LECTURE SERIES ON DONALDSONTHOMAS AND GROMOVWITTEN THEORIES 
Artan Sheshmani (AARHUS UNIVERSITY/CMSA) 
Modularity of DT invariants on smooth K3 vibrations II 

March 08, 2017, 9:00  10:30 am at CMSA Building, 20 Garden St, G10 
MATHEMATICAL PHYSICS SEMINAR 
Andreas Malmendier (UTAH STATE UNIVERSITY) 
Kummer surfaces, modular forms, and their roles in string dualities 

March 07, 2017, 2:45 pm at Jefferson 453 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Bill Fulton (UNIVERSITY OF MICHIGAN) 
Degeneracy Loci with a Line Bundle 

March 07, 2017, 3:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Teng Fei (COLUMBIA UNIVERSITY) 
A construction of infinitely many solutions to the Strominger system 

March 07, 2017, 4:15 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SOCIAL SCIENCE APPLICATIONS FORUM 
Krishna Pendakur (HARVARD AND SIMON FRASER UNIVERSITY) 
Infant Mortality and the Repeal of Federal Prohibition 

March 07, 2017, 4:30  5:30 PM at CMSA Building, 20 Garden St, G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Tom Rudelius (HARVARD PHYSICS) 
6D SCFTs and Group Theory 

March 06, 2017, 12:00 pm at CMSA Building, 20 Garden St, G10 
THURSDAY SEMINAR 
Akhil Mathew (HARVARD UNIVERSITY) 
The Rost Motive 

March 02, 2017, 3:00  5:00 PM at Science Center 507 
BRANDEIS, HARVARD, MIT, NORTHEASTERN JOINT MATHEMATICS COLLOQUIUM AT HARVARD 
Tony Yue Yu (UNIVERSITĂ© PARISSUD) 
Counting open curves via Berkovich geometry 

March 02, 2017, 4:30 PM at Science Center Hall A 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Russell Lodge (STONY BROOK UNIVERSITY) 
Global dynamics of multi curves in complex dynamics 

March 01, 2017, 4:00 pm at Science Center 530 
NUMBER THEORY SEMINAR 
David Hansen (COLUMBIA UNIVERSITY) 
Some remarks on local Shimura varieties 

March 01, 2017, 3:00 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS COLLOQUIUM 
Jun Liu (HARVARD UNIVERSITY DEPARTMENT OF STATISTICS) 
Expansion of biological pathways by integrative Genomics 

March 01, 2017, 4:30 PM at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Shirshendu Gangly (UC BERKELEY) 
Large deviation and counting problems in sparse settings 

March 01, 2017, 3:00 PM at CMSA Building, 20 Garden St, G10 
HARVARD MIT ALGEBRAIC GEOMETRY SEMINAR 
Daniel Litt (COLUMBIA UNIVERSITY) 
Arithmetic Restrictions on Geometric Monodromy 

February 28, 2017, 3:00 pm at MIT 4153 
DIFFERENTIAL GEOMETRY SEMINAR 
Nick Edelen (MIT) 
Quantitative Reifenberg for Measures 

February 28, 2017, 3:15 PM at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Wenbin Yan (CMSA) 
ArgyresDouglas Theories, Vertex Operator Algebras and Wild Hitchin Characters 

February 27, 2017, 12:00 PM at CMSA Building, 20 Garden St, G10 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Voevodsky's condition H90(n) 

February 23, 2017, 3:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Steven Rayan (UNIVERSITY OF SASKATCHEWAN) 
Higgs bundles and the Hitchin system 

February 22, 2017, 4:30 pm at CMSA Building, 20 Garden St, G10 
NUMBER THEORY SEMINAR 
Yiwei She (IAS AND COLUMBIA UNIVERSITY) 
The (unpolarized) Shafarevich conjecture for K3 surfaces 

February 22, 2017, 3:00 pm at Science Center 507 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Bob Hough (STONY BROOK UNIVERSITY) 
Random walk on unipotent groups 

February 22, 2017, 3:00 pm at CMSA Building, 20 Garden St, G10 
MATHEMATICAL PHYSICS SEMINAR 
Masahito Yamazaki (UNIVERSITY OF TOKYO) 
Integrable Lattice Models from Gauge Theory 

February 21, 2017, 2:45 pm at Jefferson 453 
DIFFERENTIAL GEOMETRY SEMINAR 
Alex Waldron (SIMONS CENTER AT STONY BROOK) 
Longtime existence for YangMills flow 

February 21, 2017, 3:15  4:15 PM at CMSA Building, 20 Garden St, G10 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
David Hyeon (SEOUL NATIONAL UNIVERSITY) 
Commuting nilpotents modulo simultaneous conjugation and Hilbert scheme 

February 21, 2017, 3:00 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SOCIAL SCIENCE APPLICATIONS FORUM 
Ravi Jagadeesan (HARVARD UNIVERSITY) 
Complementary inputs and the existence of stable outcomes in large trading networks 

February 21, 2017, 4:30  5:30 PM at CMSA Building, 20 Garden St, G02 
GAUGE THEORY, TOPOLOGY AND SYMPLECTIC GEOMETRY SEMINAR 
Stefan Mueller (GEORGIA SOUTHERN) 
C^0characterization and rigidity of symplectic and Lagrangian 

February 17, 2017, 3:30  4:30 pm at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Voevodsky's application of Steenrod operations to the Milnor conjecture II 

February 16, 2017, 3:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS COLLOQUIUM 
Masahito Yamazaki (IMPU) 
Geometry of 3manifolds and Complex ChernSimons Theory 

February 15, 2017, 4:305:30 PM at CMSA Building, 20 Garden St, G10 
NUMBER THEORY SEMINAR 
Michael Zieve (UNIVERSITY OF MICHIGAN) 
Uniform boundedness for maps between curves 

February 15, 2017, 3:00 PM at Science Center 507 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Lisa Hartung (COURANT INSTITUTE) 
The Structure of Extreme Level Sets in Branching Brownian Motion 

February 15, 2017, 3:00 PM at CMSA Building, 20 Garden St, G10 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Arnav Tripathy (HARVARD UNIVERSITY) 
Further counterexamples to the integral Hodge conjecture 

February 14, 2017, 3:00 pm at MIT 4153 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SOCIAL SCIENCE APPLICATIONS FORUM 
Mauricio FernĂĄndez Duque (HARVARD UNIVERSITY) 
Pluralistic Ignorance and Preference Complementarities 

February 14, 2017, 4:30  5 :30pm at CMSA Building, 20 Garden St, G02 
DIFFERENTIAL GEOMETRY SEMINAR 
Artan Sheshmani (AARHUS UNIVERSITY/CMSA) 
Nested Hilbert schemes and DT theory of local threefolds 

February 14, 2017, 4:15 pm at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Shamil Shakirov (HARVARD UNIVERSITY) 
Integrability of Refined ChernSimons Theory 

February 14, 2017, 2:45 pm at Jefferson 453 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Artan Sheshmani (AARHUS UNIVERSITY/CMSA) 
The theory of Nested Hilbert schemes on surfaces 

February 13, 2017, 12:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Tom Luo (UNIVERSITY OF MINNESOTA) 
Semidefinite Relaxation of Nonconvex Quadratic Optimization 

February 09, 2017, 1:30  2:30 pm at CMSA Building, 20 Garden St, G10 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Voevodsky's application of Steenrod operations to the Milnor conjecture 

February 09, 2017, 3:00 pm at Science Center 507 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Fabian Haiden (HARVARD UNIVERSITY) 
Flat surfaces and stability structures on categories 

February 08, 2017, 4:00 pm at Science Center 530 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Matthew Headrick (BRANDEIS UNIVERSITY) 
Quantum entanglement, classical gravity, and convex programming: New connections 

February 08, 2017, 4:30 pm at CMSA Building, 20 Garden St, G10 
NUMBER THEORY SEMINAR 
JoĂ«l BellaĂŻche (BRANDEIS UNIVERSITY) 
Lacunarity of modular forms 

February 08, 2017, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SOCIAL SCIENCE APPLICATIONS FORUM 
Nikhil Naik (MIT) 
Visual Urban Sensing: Understanding Cities with Computer Vision 

February 07, 2017, 4:30  5:30 PM at CMSA Building, 20 Garden St, G02 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Aaron Bertram (UNIVERSITY OF UTAH) 
Counting finite quot schemes 

February 07, 2017, 3:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Dan Mangoubi (HEWBREW UNIVERSITY OF JERUSALEM) 
Harmonic functions sharing the same zero set 

February 07, 2017, 4:15 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Christophe Keller (HARVARD PAULSON SCHOOL OF ENGINEERING AND APPLIED SCIENCES) 
Mathieu Moonshine and Symmetry Surfing 

February 06, 2017, 12:00 pm at CMSA Building, 20 Garden St, G10 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Steenrod Operations in Motivic Cohomology 

February 02, 2017, 3:00  5:00 PM at Science Center 507 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Philip Engel (HARVARD UNIVERSITY) 
The number of positively curved triangulations on the sphere 

February 02, 2017, 4:00 pm at Science Center 530 
NUMBER THEORY SEMINAR 
Bjorn Poonen (MIT) 
Local arboreal representations 

February 01, 2017, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Sean Eddy (HARVARD DEPT OF MOLECULAR AND CELLULAR BIOLOGY) 
Biological sequence homology searches: the future of deciphering the past 

February 01, 2017, 4:30 pm at CMSA Building, 20 Garden St, G10 
DIFFERENTIAL GEOMETRY SEMINAR 
Yu Qiu (CHINESE UNIVERSITY OF HONG KONG) 
Stability conditions for quivers via exchange graphs 

January 31, 2017, 4:15 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Yu Qiu (CHINESE UNIVERSITY OF HONG KONG) 
Spherical twists on 3CalabiYau categories of quivers with potentials from surfaces and spaces of stability conditions 

January 30, 2017, 12:00 pm at CMSA Building, 20 Garden St, G10 
DIFFERENTIAL GEOMETRY SEMINAR 
Yong Lin (RENMIN UNIVERSITY) 
Heat kernel estimate and solution of semi linear heat equations on graphs 

January 24, 2017, 4:15 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Anton Kapustin (CALIFORNIA INSTITUTE OF TECHNOLOGY) 
Fermionic statesum models and topological field theory 

January 12, 2017, 4:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Gerard Ben Arous (COURANT INSTITUTE) 
Complexity of random functions of many variables: from geometry to statistical physics and deep learning algorithms 

January 11, 2017, 4:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Brian Rider (TEMPLE UNIVERSITY) 
Universality for the random matrix hard edge 

December 14, 2016, 3:00 PM at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS HOMOLOGICAL MIRROR SYMMETRY SEMINAR 
Lino Campos Amorim (BOSTON UNIVERSITY) 
Fukaya category of a compact toric manifold 

December 08, 2016, 2:00  4:00 pm at CMSA Building, 20 Garden St, G10 
NUMBER THEORY SEMINAR 
Andrew Sutherland (MIT) 
SatoTate in dimension 3 

December 07, 2016, 3:00 PM at Science Center 507 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR: 
Dan Romik (UC DAVIS) 
A Pfaffian point process for Totally Symmetric Self Complementary Plane Partitions 

December 07, 2016, 3:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Valentino Tosatti (NORTHWESTERN UNIVERSITY) 
Metric limits of hyperkahler manifolds 

December 07, 2016, 4:30 pm at CMSA Building, 20 Garden St, G10 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Gabriele di Cerbo (COLUMBIA UNIVERSITY) 
Log birational boundedness of CalabiYau pairs 

December 6, 2016, 3:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Mattias Jonsson (UNIVERSITY OF MICHIGAN) 
A variational approach to the YauTianDonaldson conjecture 

December 06, 2016, 4:15 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Hansol Hong (CMSA) 
Mirror construction via formal deformation of Lagrangians 

December 05, 2016, 12:00 pm at CMSA Building, 20 Garden St, G10 
GAUGE THEORY, TOPOLOGY AND SYMPLECTIC GEOMETRY SEMINAR 
Brendan McLellan (HARVARD UNIVERSITY) 
Some 1loop results in contact ChernSimons theory 

December 02, 2016, 3:30  4:30 pm at Science Center 507 
THURSDAY SEMINAR 
Dennis Gaitsgory (HARVARD UNIVERSITY) 
Voevodsky's motives 

December 01, 2016, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Sharad Ramanathan (HARVARD MCB AND SEAS) 
Finding coordinate systemsd to monitor the development of mammalian embryos 

November 30, 2016, 4:20 pm at CMSA Building, 20 Garden St, G10 
NUMBER THEORY SEMINAR 
Akshay Venkatesh (STANFORD) 
The action of the derived Hecke algebra on weight one forms 

November 30, 2016, 3:00 pm at Science Center 507 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
James Lee (UNIVERSITY OF WASHINGTON) 
Conformal growth rates, spectral geometry, and distributional limits of graphs 

November 30, 2016, 3:00 pm at CMSA Building, 20 Garden St, G02 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Kenny Ascher (COLUMBIA UNIVERSITY) 
Uniformity of integral points and the LangVojta conjecture 

November 22, 2016, 3:00 PM at science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Xiangfeng Gu (STONYBROOK) 
Differential Geometric Methods for Engineering Applications 

November 22, 2016, 4:00  5:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Jafar Jafarov (STANFORD UNIVERSITY) 
SU(N) Wilson loop expectations 

November 22, 2016, 3:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Hee Cheol Kim (HARVARD PHYSICS) 
Defects and instantons in 5d SCFTs 

November 21, 2016, 12:00 pm at CMSA Building, 20 Garden St, G10 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Carlos Simpson (UNIVERSITE DE NICE) 
Calculating harmonic maps to buildingsa 2dimensional combinatorial reduction calculus 

November 17, 2016, Tea at 4:00 PM, the Austine & Chilton McDonnell Common Room, Science Center 4th Floor, Talk at 4:30 pm at Science Center Hall C 
LOGIC COLLOQUIUM 
Haim Horowitz (HEWBREW UNIVERSITY OF JERUSALEM) 
On the nonexistence and definability of mad families 

November 17, 2016, 4:00 pm at 2 Arrow St, Rm 408 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
A^1 Homotopy Theory 

November 17, 2016, 3:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MEMBERS' SEMINAR 
Henri Guenancia (STONY BROOK UNIVERSITY) 
Singular varieties with trivial canonical bundle 

November 17, 2016, 5:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Tristan Collins (HARVARD UNIVERSITY) 
Restricted volumes and finite time singularities of the KahlerRicci flow 

November 16, 2016, 3:30 pm *Special time* at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Yu Gu (STANFORD) 
Local vs global random fluctuations in stochastic homogenization 

November 16, 2016, 2:30 pm *note change in time* at CMSA Building, 20 Garden St, G10 
NUMBER THEORY SEMINAR 
Chao Li (COLUMBIA UNIVERSITY) 
Goldfeldâs conjecture and congruences between Heegner points 

November 16, 2016, 3:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Sebastien Picard (COLUMBIA UNIVERSITY) 
Geometric Flows and Strominger systems 

November 15, 2016, 4:15 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SOCIAL SCIENCE APPLICATIONS FORUM 
Ben Roth (MIT) 
Keeping the Little Guy Down: A Debt Trap for Informal Lending 

November 15, 2016, 4:30  5:30 PM at CMSA Building, 20 Garden St, G02 
RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Boaz Barak (HARVARD PAULSON SCHOOL) 
Computational Bayesianism, sums of squares, cliques, and unicorns 

November 09, 2016, 3:00 PM at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Norden E. Huang (NATIONAL CENTRAL UNIVERSITY) 
On HoloHilbert Spectral Analysis 

November 09, 2016, 4:30 pm at CMSA Building, 20 Garden St, G10 
NUMBER THEORY SEMINAR 
Jared Weinstein (BOSTON UNIVERSITY) 
The cohomology of local Shimura varieties 

November 09, 2016, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Francois Greer (UNIVERSITY OF NOTRE DAME) 
NoetherLefschetz Theory and Elliptic CalabiYau Threefolds 

November 08, 2016, 3:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Nicolaos Kapouleas (BROWN UNIVERSITY) 
Gluing constructions for minimal surfaes and other geometric objects 

November 08, 2016, 4:15 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SOCIAL SCIENCE APPLICATIONS FORUM 
Sifan Zhou (CMSA) 
NonCompete Agreements and the Career of PhDs 

November 08, 2016, 4:30 PM  5:30 PM at CMSA Building, 20 Garden St, G02 
MATHEMATICAL PHYSICS SEMINAR 
SeungJoo Lee (VIRGINIA TECH) 
Multiple Fibrations in CalabiYau Geometry and String Dualities 

November 07, 2016, 12:00 PM at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
An Huang (HARVARD UNIVERSITY) 
Tautological Systems 

November 04, 2016, 2:00  3:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS HOMOLOGICAL MIRROR SYMMETRY 
Yusuf Baris Kartal (MIT) 
HMS for Del Pezzo surfaces 

November 03, 2016, 2:00 PM  4:00 PM at CMSA Building, 20 Garden St, G10 
LOGIC COLLOQUIUM 
Theodore A. Slaman (UC BERKELEY) 
Recursion Theory and Diophantine Approximation 

November 03, 2016, 4:00 pm at 2 Arrow St, Rm 420 
THURSDAY SEMINAR 
Marc Hoyols (MIT) 
The NesterenkoSuslinTotaro theorem 

November 03, 2016, 3:00  5:00 PM at Science Center 507 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Ramon van Handel (PRINCETON UNIVERSITY) 
Inhomogeneous random matrices 

November 02, 2016, 3:00 pm at CMSA Building, 20 Garden St, G10 
SPECIAL SEMINAR 
Henry Cohn (MICROSOFT) 
Sphere packing problem in 8 and 24 dimensions 

November 02, 2016, 10:30 AM  12:00 PM at Science Center 530 
INFORMAL GEOMETRY AND DYNAMICS SEMINAR 
Simion Filip (HARVARD UNIVERSITY) 
From Teichmueller curves to higherdimensional invariant subvarieties 

November 02, 2016, 4:00 PM at Science Center 530 
NUMBER THEORY SEMINAR 
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No seminar this week 

November 02, 2016, at 
DIFFERENTIAL GEOMETRY SEMINAR 
Robert Haslhofer (UNIVERSITY OF TORONTO) 
The moduli space of 2convex embedded spheres 

November 01, 2016, 3:00  4:00 PM *Special Time* at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Joseph Minahan (UPPSALA UNIVERSITY) 
Supersymmetric gauge theories on $d$dimensional spheres 

October 31, 2016, 12:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Bong Lian (BRANDEIS UNIVERSITY) 
Tautological systems 

October 28, 2016, 12:45 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS HOMOLOGICAL MIRROR SYMMETRY SEMINAR 
Philip Engel (HARVARD UNIVERSITY) 
Mirror symmetry in the complement of an anticanonical divisor 

October 27, 2016, 2:00  4:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Henry Cohn (MICROSOFT) 
Sums of squares, correlation functions, and exceptional geometric structures 

October 26, 2016, 4:30 pm at CMSA Building, 20 Garden St, G10 
NUMBER THEORY SEMINAR 
Ananth Shankar (HARVARD UNIVERSITY) 
Abelian varieties isogenous to Jacobians 

October 26, 2016, 3:00 PM at Science Center 507 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Wei Wu (NEW YORK UNIVERSITY) 
Extremal and local statistics for gradient field models 

October 26, 2016, 3:00 PM at CMSA Building, 20 Garden St, G10 
SPECIAL SEMINAR SERIES, JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS 
Masaki Kashiwara (RIMS, KYOTO UNIVERSITY) 
Indsheaves and RiemannHilbert correspondence of holonomic Dmodules, Part 2 

October 25, 2016, 4:15  5:15 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Ian Shipman (HARVARD UNIVERSITY) 
Ulrich bundles and a generalization 

October 25, 2016, 3:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Jonathan Zhu (HARVARD UNIVERSITY) 
Entropy and selfshrinkers of the mean curvature flow 

October 25, 2016, 3:00  4:00 pm *special time at CMSA Building, 20 Garden St, G10 *different location 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Arnav Tripathy (HARVARD UNIVERSITY) 
Spinning BPS states and motivic DonaldsonThomas invariants 

October 24, 2016, 12:00 pm at CMSA Building, 20 Garden St, G10 
GAUGE THEORY AND SYMPLECTIC GEOMETRY SEMINAR 
Colin Adams (WILLIAMS COLLEGE) 
Volume and volume density for hyperbolic knots and links 

October 21, 2016, 3:30  4:30 pm at Science Center 507 
LOGIC COLLOQUIUM 
Joel David Hamkins (CITY UNIVERSITY OF NEW YORK) 
Recent advances in settheoretic geology 

October 20, 2016, 4:00 pm at 2 Arrow St, Rm 420 
THURSDAY SEMINAR 
Marc Hoyois (MIT) 
Weight one motivic cohomology 

October 20, 2016, 3:00  5:00 PM at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Vaughan Jones (VANDERBILT UNIVERSITY) 
Scale Invariant Transfer Matrix and Hamiltonian for Quantum Spin Chains Pt. II 

October 20, 2016, 1:15 pm at Jefferson 256 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS HOMOLOGICAL MIRROR SYMMETRY SEMINAR 
Tim Large (MIT) 
Symplectic cohomology and wrapped Fukaya categories 

October 20, 2016, 2:00  4:00 pm at CMSA Building, 20 Garden St, G10 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Bena Tshishiku (HARVARD UNIVERSITY) 
Moduli space, surface bundles, and the AtiyahKodaira examples 

October 19, 2016, 4:00 pm at Science Center 530 
NUMBER THEORY SEMINAR 
Rong Zhou (HARVARD UNIVERSITY) 
Mod p isogeny classes on Shimura varieties with parahoric level structure. 

October 19, 2016, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Vaughan Jones (VANDERBILT UNIVERSITY) 
Are the Thompson groups any good as a model for Diff(S^1)? 

October 19, 2016, 4:30 pm at CMSA Building, 20 Garden St, G10 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Claudiu Raicu (UNIVERSITY OF NOTRE DAME) 
Cohomology of determinantal thickenings 

October 18, 2016, 3:00 pm at MIT 4153 
MATHEMATICAL PHYSICS SEMINAR 
Vaughan Jones (VANDERBILT UNIVERSITY) 
Scale Invariant Transfer Matrix and Hamiltonian for Quantum Spin Chains 

October 18, 2016, 2:45 pm at Jefferson 453 
SPECIAL SEMINAR SERIES, JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS 
Masaki Kashiwara (RIMS, KYOTO UNIVERSITY) 
Indsheaves and RiemannHilbert correspondence of holonomic Dmodules, Part 1 

October 18, 2016, 4:15  5:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Jian Xiao (NORTHWESTERN UNIVERSITY) 
Positivity in the convergence of the inverse $\sigma_k$ flow 

October 18, 2016, 3:00  4:00 PM *Special Time* at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Fabian Haiden (HARVARD UNIVERSITY) 
Balanced filtrations and asymptotics for semistable objects 

October 17, 2016, 12:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MEMBERS' SEMINAR 
Vaughan Jones (VANDERBILT UNIVERSITY) 
The Thompson groups as scaling symmetries of quantum spin chains 

October 14, 2016, 5:00 pm at CMSA Building, 20 Garden St, G10 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Statement of the Milnor conjectures 

October 13, 2016, 3:00  5:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Yihang Zhu (HARVARD UNIVERSITY) 
The HasseWeil zeta functions of the intersection cohomology of minimally compactified orthogonal Shimura varieties 

October 12, 2016, 3:00 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Conan Leung (CHINESE UNIVERSITY OF HONG KONG) 
Coisotropic Abranes and their SYZ transform 

October 12, 2016, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Michael Damron (GEORGIA INSTITUTE OF TECHNOLOGY) 
Bigeodesics in firstpassage percolation 

October 12, 2016, 3:00 PM at CMSA Building, 20 Garden St, G10 
MATHEMATICAL PHYSICS SEMINAR 
Yasuyuki Kawahigashi (UNIVERSITY OF TOKYO) 
Gapped Domain Walls Between Topological Phases and Subfactors 

October 11, 2016, 2:45 PM at Jefferson 453 
DIFFERENTIAL GEOMETRY SEMINAR 
Mark Stern (DUKE UNIVERSITY) 
Instantons on ALF spaces 

October 11, 2016, 4:15 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Robert Friedman (COLUMBIA UNIVERSITY) 
Deformations of cusp singularities 

October 11, 2016, 3:00 pm at Science Center 507 
SPECIAL SEMINAR 
Nike Sun (UC BERKELEY) 
Phase transitions in random constraint satisfaction problems 

October 07, 2016, 3:30 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
KTheory of Henselian Rings II 

October 06, 2016, 3:00  5:00 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS HOMOLOGICAL MIRROR SYMMETRY SEMINAR 
Hansol Hong (CMSA) 
Homological mirror symmetry for elliptic curves 

October 06, 2016, 2:00  4:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Edgar Dobriban (STANFORD UNIVERSITY) 
Computation, statistics and random matrix theory 

October 05, 2016, 3:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Alexander Logunov (TEL AVIV UNIVERSITY) 
Zeroes of harmonic functions and Laplace eigenfunctions 

October 05, 2016, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
NUMBER THEORY SEMINAR 
William Yun Chen (INSTITUTE FOR ADVANCED STUDY) 
Moduli Interpretations for Noncongruence Modular Curves 

October 05, 2016, 3:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Alexander Logunov (ST. PETERSBURG & TELAVIV) 
Zero set of a nonconstant harmonic function in R^3 has infinite surface areaÂ 

October 04, 2016, 4:15 pm at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Dietmar Bisch (VANDERBILT UNIVERSITY) 
Single Generated Planar Algebras 

October 04, 2016, 2:45 pm at Jefferson 453 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Masahito Yamazaki (IMPU) 
Conformal Blocks and Verma Modules 

October 03, 2016, 12:00 pm at CMSA Building, 20 Garden St, G10 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Vladimir Chernov (DARTMOUTH UNIVERSITY) 
Minimizing intersection points of loops on a surface and the AndersenMattesReshetikhin Poisson bracket. (based on a joint work with Patricia Cahn) 

September 30, 2016, 3:30  4:30 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
KTheory of Henselian Rings 

September 29, 2016, 3:00  5:00 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS HOMOLOGICAL MIRROR SYMMETRY SEMINAR 
Netanel Blaier (BRANDEIS UNIVERSITY) 
Intro to HMS 2 

September 29, 2016, 2:00  4:00 pm at CMSA Building, 20 Garden St, G10 
INFORMAL GEOMETRY AND DYNAMICS SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Introduction to Teichmueller curves in genus 2 

September 28, 2016, 4:00 pm at Science Center 530 
NUMBER THEORY SEMINAR 
Min Ru (UNIVERSITY OF HOUSTON) 
Height inequalities in Diophantine approximation 

September 28, 2016, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Hong Liu (MIT) 
A new theory of fluctuating hydrodynamics 

September 28, 2016, 4:30 PM at Science Center 507 
JOINT HARVARD MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Antonio Auffinger (NORTHWESTERN UNIVERSITY) 
Parisi formula for the ground state energy of the SherringtonKirkpatrick model 

September 28, 2016, 3:00 PM at CMSA Building, 20 Garden Street, Room G10 
HARVARD MATHEMATICAL PHYSICS SEMINAR 
Zhengwei Liu (HARVARD UNIVERSITY) 
A New Diagrammatic Approach to Quantum Informationthe four string model 

September 27, 2016, 2:45 pm at Jefferson 453 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Junliang Shen (ETH ZURICH) 
Elliptic CalabiYau 3folds, Jacobi forms, and derived categories 

September 27, 2016, 3:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
TianJun Li (UNIVERSITY OF MINNESOTA) 
Symplectic divisor compactifications in dimension 4 

September 27, 2016, 4:15 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Can Kozcaz (CMSA) 
Cheshire Cat Resurgence 

September 26, 2016, 12:00 PM at CMSA Building, 20 Garden St, G10 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Paul Feehan (RUTGERS UNIVERSITY) 
The LojasiewiczSimon gradient inequality and applications to energy discreteness and gradient flows in gauge theory 

September 23, 2016, 3:30  4:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS HOMOLOGICAL MIRROR SYMMETRY SEMINAR 
Netanel Blaier (BRANDEIS UNIVERSITY) 
Intro to HMS 

September 22, 2016, 2:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
THURSDAY SEMINAR 
Akhil Mathew (HARVARD UNIVERSITY) 
Thomason's \'etale descent theorem in algebraic Ktheory 

September 22, 2016, 3:00  5:00 PM at Science Center 507 
JOINT HARVARD MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Stephane Benoist (MIT) 
Near critical spanning forests 

September 21, 2016, 3:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
L. Mahadevan (SEAS, DEPT OF PHYSICS AND DEPT OF ORGANISMAL AND EVOLUTIONARY BIOLOGY, HARVARD UNIVERSITY) 
Morphogenesis: Biology, Physics and Mathematics 

September 21, 2016, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
NUMBER THEORY SEMINAR 
Alexandra Shlapentokh (EAST CAROLINA UNIVERSITY) 
On firstorder definability and decidability problems over number fields and their infinite algebraic extensions 

September 21, 2016, 3:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Gao Chen (STONY BROOK) 
Classification of gravitational instantons 

September 20, 2016, 4:15 PM at Science Center 507 
SPECIAL SEMINAR 
Maryna Viazovska (HUMBOLDT UNIVERSITY OF BERLIN) 
The sphere packing problem in dimensions 8 and 24 

September 19, 2016, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Johannes Kleiner (UNIVERSITY OF REGENSBURG) 
A New Candidate for a Unified Physical Theory 

September 19, 2016, 12:00 PM at CMSA Building, 20 Garden Street, Room G10 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Eli Grigsby (BOSTON COLLEGE) 
Annular KhovanovLee homology, Braids, and Cobordisms 

September 16, 2016, 3:30  4:30 PM at Science Center 507 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Ziv Ran (UC RIVERSIDE) 
Generic Projections 

September 15, 2016, Tea at 4:00 PM, the Austine & Chilton McDonnell Common Room, Science Center 4th Floor, Talk at 4:30 pm at Science Center Hall A 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
The LichtenbaumQuillen conjectures 

September 15, 2016, 3:00  5:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Jennifer Balakrishnan (BOSTON UNIVERSITY) 
IteratedÂ padicÂ integralsÂ andÂ rationalÂ pointsÂ on curves 

September 14, 2016, 3:00  4:00 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Almost simple geodesics on the triplypunctured sphere 

September 14, 2016, 4:00 PM at Science Center 530 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
SzeMan Ngai (GEORGIA SOUTHERN UNIVERSITY) 
The multifractal formalism and spectral asymptotics of selfsimilar measures with overlaps 

September 14, 2016, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
DIFFERENTIAL GEOMETRY SEMINAR 
Aruna Kesavan (PENN STATE/CMSA) 
Asymptotic structure of spacetime with a positive cosmological constant 

September 13, 2016, 4:15 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Brooke Ullery (HARVARD UNIVERSITY) 
Measures of irrationality for hypersurfaces of large degree 

September 13, 2016, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Chong Wang (HARVARD UNIVERSITY) 
A duality web in 2+1 dimensions 

September 12, 2016, 12:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Bong Lian (BRANDEIS UNIVERSITY) 
RiemannHilbert Problem and Period Integrals 

September 09, 2016, 3:00 PM at CMSA Building, 20 Garden Street, Room G10 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Daniel CristofaroGardiner (HARVARD UNIVERSITY) 
Symplectic embeddings and the Fibonacci numbers 

September 09, 2016, 3:30  4:30 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Comparing Algebraic and Topological KTheory 

September 08, 2016, 3:00  5:00 PM at Science Center 507 
CMSA CHINESE ECONOMY SEMINAR 
Lintong Li & Jian Wang (BEJING UNIV. & UNIV. OF LEUVEN) 


July 26, 2016, 1:30  3:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS CHINESE ECONOMY SEMINAR 
Wei Huang (HARVARD UNIVERSITY ECONOMICS) 
What do Social Pensions do for China's Rural Poor Elderly Citizens? 

July 19, 2016, 1:30  3:00 PM at CMSA Building, 20 Garden Street, Room G10 
RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Paul Bourgade (NYU) 
Extremes of random matrices and logcorrelated fields 

June 08, 2016, 3:00 pm at CMSA Building, 20 Garden St, G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Jun Yin (UNIVERSITY OF WISCONSIN) 
Generalized Circular Law 

June 01, 2016, 3:00 PM at CMSA Building, 20 Garden Street, Room G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GENERAL RELATIVITY SEMINAR 
Scott Hughes (MIT) 
The gravitationalwave event GW150914: What we learned, and how we learned it 

May 25, 2016, 12:00  1:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GENERAL RELATIVITY SEMINAR 
Achilleas Porfyriadis (HARVARD UNIVERSITY PHYSICS) 
Gravitational waves from the Kerr/CFT correspondence 

May 18, 2016, 12:00  1:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL MATHEMATICAL PHYSICS SEMINAR 
Tomoyuki Arakawa (RIMS, KYOTO UNIVERSITY) 
Vertex algebras and symplectic varieties 

May 13, 2016, 4:00  5:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Juerg Froehlich (ETH AND IAS) 
Implications of the Chiral Anomaly  From the Quantum Hall Effect to Topological Insulators and Out to Space 

May 11, 2016, 4:00  5:00 PM *please note change in time* at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Laure SaintRaymond (ĂCOLE NORMALE SUPĂ©RIEURE) 
Fluctuating dynamics for a 2D rarified gas of hard disks Â (joint work with T. Bodineau and I. Gallagher) 

May 11, 2016, 2:30 3:30 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GENERAL RELATIVITY SEMINAR 
Piotr T. Chrusciel (UNIVERSITY OF VIENNA) 
Gluing things in general relativity 

May 11, 2016, 12:00  1:00 PM at CMSA Building, 20 Garden Street, Room G10 
NUMBER THEORY SEMINAR 
Shai Haran (TECHNION, ISRAEL) 
New Foundations for Arithmetical Geometry, Pt 1 (Follow up talk at MIT on 5/5/16) 

May 04, 2016, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Hirosi Ooguri (CALIFORNIA INSTITUTE OF TECHNOLOGY) 
String Theory And Its Applications in Mathematics and Physics 

May 04, 2016, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GENERAL RELATIVITY SEMINAR 
Robert Penna (MIT) 
BMS Invariance and the membrane paradigm 

May 04, 2016, 12:00  1:00 PM at CMSA Building, 20 Garden Street, Room G10 
SPECIAL PRESENTATION 
Manjul Bhargava (Princeon), Barry Mazur (Harvard), Matt Brown (Writer and Director), Stephen Wolfram (CEO, Wolfram Research), Robert Kanigel (Author) () 
The Man Who Knew Infinity: Bringing Mathematics to the Silver Screen 

April 30, 2016, 3:30  4:45 pm at Science Center Hall D 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Sijue Wu (UNIVERSITY OF MICHIGAN) 
Mathematical analysis of the water waves and some related problems 

April 29, 2016, 10:30 AM at Science Center 530 
LOGIC COLLOQUIUM 
Andrew Marks (UCLA) 
Martin measure and strong ergodicity 

April 28, 2016, 2:00  4:00 PM at 2 Arrow Street, Room #420 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Fraydoun Rezakhanlou (UC BERKELEY) 
Diffusions with Rough Drifts and NavierStokes Equation 

April 28, 2016, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Mihalis Dafermos (PRINCETON UNIVERSITY) 
The linear stability of the Schwarzschild solution to gravitational perturbations 

April 28, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G10 
NUMBER THEORY SEMINAR 
Xinwen Zhu (CALIFORNIA INSTITUTE OF TECHNOLOGY) 
On some Tate cycles on Shimura varieties mod p 

April 27, 2016, 3:00  4:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Marek Biskup (UCLA) 
Local limit theory for extreme values of 2D Discrete Gaussian Free Field 

April 27, 2016, 2:15  3:30 pm at CMSA Building, 20 Garden St, G02 
CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS GENERAL RELATIVITY SEMINAR 
Andy Strominger and Milhalis Dafermos (HARVARD PHYSICS AND PRINCETON UNIVERSITY) 
The Scattering Problem in General Relativity 

April 27, 2016, 12:00  1:00 PM at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS COLLOQUIUM 
Paul Seidel (MIT) 
Topological quantum field theory and the GaussManin connection 

April 27, 2016, 4:30 PM at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Andre Neves (IMPERIAL COLLEGE LONDON) 
A path to Yau's conjecture 

April 26, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G10 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Xinwen Zhu (CALIFORNIA INSTITUTE OF TECHNOLOGY) 
Towards a padic nonabelian Hodge Theory 

April 26, 2016, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Georg Oberdieck (MIT) 
Counting curves in K3xP1 and quasi Jacobi forms 

April 25, 2016, 12:00  2:00 PM at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Stefano Bianchini (SISSA) 
Quadratic interaction functional for system of conservation laws 

April 21, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G10 
THURSDAY SEMINAR 
Jared Weinstein (BOSTON UNIVERSITY) 
The FarguesFontaine curve 

April 21, 2016, 3:00  5:00 PM at Science Center 507 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Alex Eskin (UNIVERSITY OF CHICAGO) 
Polygonal Billiards and Dynamics on Moduli Spaces 

April 21, 2016, Tea at 4:00 PM, the Austine & Chilton McDonnell Common Room, Science Center 4th Floor, Talk at 4:30 pm at Science Center Hall E 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GENERAL RELATIVITY SEMINAR 
Paul Chesler (HARVARD UNIVERSITY PHYSICS) 
Numerical relativity in asymptotically antide Sitter spacetime 

April 20, 2016, 12:00  1:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Sijue Wu (UNIVERSITY OF MICHIGAN) 
On two dimensional gravity water waves with angled crests 

April 20, 2016, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
LOGIC COLLOQUIUM 
Scott Cramer (RUTGERS UNIVERSITY) 
Woodin's ADconjecture for I0 

April 20, 2016, 2:00  4:00 PM at 2 Arrow Street, Room #420 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Mark Rudelson (UNIVERSITY OF MICHIGAN) 
Delocalization of eigenvectors of random matrices 

April 20, 2016, 3:00 PM at CMSA Building, 20 Garden Street, Room G02 
NUMBER THEORY SEMINAR 
Nicolas Templier (CORNELL UNIVERSITY) 
Kloosterman families, Quantum cohomology and geometric Langlands 

April 20, 2016, 3:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Dmitry Jakobson (MCGILL UNIVERSITY) 
Nodal Sets in Conformal Geometry 

April 19, 2016, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Xujia Wang (AUSTRALIAN NATIONAL UNIVERSITY) 
Boundary behavior of solutions to singular elliptic equations 

April 19, 2016, 9:50  10:50 am at Science Center 232 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Jonathan Wise (UNIVERSITY OF COLORADO, BOULDER) 
Compactifying the Abel map with logarithmic geometry 

April 19, 2016, 3:00 PM at MIT 2131 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Carlos Shahbazi (INSTITUTE FOR THEORETICAL PHYSICS, SACLAY, FRANCE) 
Geometric Ufolds and the twisted Strominger system 

April 18, 2016, 12:00  2:00 PM at CMSA Building, 20 Garden Street, Room G10 
BASIC NOTIONS SEMINAR 
Camillo DeLellis (UNIVERSITY OF ZURICH AND CMSA) 
Singularity and regularity of area minimizing surfaces 

April 18, 2016, 3:00  3:55 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SOCIAL SCIENCE APPLICATIONS FORUM 
Annie Liang (HARVARD UNIVERSITY ECONOMICS) 
The Theory is Predictive, but is it Complete? An Application to Human Perception of Randomness (with Jon Kleinberg and Sendhil Mullainathan) 

April 18, 2016, 5:30 PM *note change in time at CMSA Building, 20 Garden Street, Room G10 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Felix Schlenk (NEUCHATEL) 
Complexity of Reeb flows via Floer homology 

April 15, 2016, 3:30  4:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Taipeng Tsai (UNIVERSITY OF BRITISH COLUMBIA) 
Stability of periodic waves of the 1D nonlinear Schr\ 

April 14, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Jun Zhang (UNIVERSITY OF MICHIGAN, ANN ARBOR  DEPARTMENT OF PSYCHOLOGY & DEPARTMENT OF MATHEMATICS) 
Kahler and ParaKahler Structure in Information Geometry 

April 13, 2016, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GENERAL RELATIVITY SEMINAR 
Felix Finster (UNIVERSITY OF REGENSBURG) 
Linear stability of Kerr black holes 

April 13, 2016, 12:00  1:00 PM at CMSA Building, 20 Garden Street, Room G10 
NUMBER THEORY SEMINAR 
Ali Altug (COLUMBIA UNIVERSITY) 
Functoriality, trace formula, and related problems 

April 13, 2016, 3:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Igor Wigman (KING'S COLLEGE LONDON) 
On the number of nodal domains of toral eigenfunctions 

April 12, 2016, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Connor Mooney (UNIVERSITY OF TEXAS AT AUSTIN) 
Finite time blowup for parabolic systems in the plane 

April 12, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G10 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Alex Isaev (MSI / AUSTRALIAN NATIONAL UNIVERSITY) 
Isolated hypersurface singularities and associated forms 

April 12, 2016, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Orlando Alvarez (UNIVERSITY OF MIAMI) 
Effective Actions, Lovelock Lagrangians and LipschitzKilling Curvatures 

April 11, 2016, 3:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Milton D. Jara (IMPA) 
Around the strong KPZ universality conjecture 

April 11, 2016, 2:15 PM at Science Center 530 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Luis Haug (MIT) 
Lagrangian antisurgery and cobordisms 

April 08, 2016, 3:30  4:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Stefano Bianchini (SISSA) 
Concentration of entropy dissipation for scalar conservation laws 

April 07, 2016, 10:00 AM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS COLLOQUIUM 
Lars Hernquist (HARVARD UNIVERSITY) 
NextGeneration Cosmological Simulations: Galaxy Assembly and Evolution 

April 06, 2016, 4:30 PM at CMSA Building, 20 Garden St, G10 
NUMBER THEORY SEMINAR 
Ari Shnidman (BOSTON COLLEGE) 
Heights of generalized Heegner cycles 

April 06, 2016, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS SEMINAR ON GENERAL RELATIVITY 
Milhalis Dafermos (PRINCETON UNIVERSITY) 
The black hole stability problem: the inside story 

April 06, 2016, 12:00  1:00 PM at CMSA Building, 20 Garden St, G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Timo Seppalainen (UNIVERSITY OF WISCONSIN, MADISON) 
Variational formulas and Busemann functions for random paths in a random medium 

April 06, 2016, 3:00 PM at CMSA Building, 20 Garden Street, Room G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Niky Kamran (MCGILL UNIVERSITY) 
Nonuniqueness results for the anisotropic Calderon problem with data measured on disjoint sets 

April 05, 2016, 9:50  10:50 am at Science Center 232 *please note change of location this week* 
DIFFERENTIAL GEOMETRY SEMINAR 
John Toth (MCGILL UNIVERSITY) 
Nodal Length of Steklov Eigenfunctions on RealAnalytic Riemannian Surfaces 

April 05, 2016, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Bei Jia (UNIVERSITY OF TEXAS AT AUSTIN) 
Topological String Theory Revisited 

April 04, 2016, 12:00  2:00 PM at CMSA Building, 20 Garden Street, Room G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SOCIAL SCIENCE APPLICATIONS FORUM 
Lauren Cohen (HARVARD BUSINESS SCHOOL AND NBER) 
Playing Favorites: How Firms Prevent the Revelation of Bad News 

April 04, 2016, 5:00  6:00 PM at CMSA Building, 20 Garden Street, Room G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
David Xianfeng Gu (STONY BROOK UNIVERSITY) 
A Discrete Variational Approach for Solving MongeAmpere Equation 

April 04, 2016, 1:00  2:00 PM at Science Center Hall A 
BASIC NOTIONS SEMINAR 
Barry Mazur (HARVARD UNIVERSITY) 
How many rational points are there? 

April 04, 2016, 3:00 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Ana Rita Pires (FORDHAM UNIVERSITY) 
Symplectic embeddings and infinite staircases 

April 01, 2016, 3:30  4:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Felix Finster (UNIVERSITY OF REGENSBURG) 
Lorentzian spectral geometry and the fermionic signature operator 

March 31, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G10 
NUMBER THEORY SEMINAR 
John Bergdall (BOSTON UNIVERSITY) 
Slopes of modular forms and the ghost conjecture 

March 30, 2016, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Nikolai Makarov (CALIFORNIA INSTITUTE OF TECHNOLOGY) 
Random normal matrices with hard edge spectrum 

March 30, 2016, 2:15 PM at CMSA Building, 20 Garden Street, Room G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
David Garfinkle (OAKLAND UNIVERSITY) 
Gravitational Wave Memory 

March 30, 2016, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
DIFFERENTIAL GEOMETRY SEMINAR 
Yi Zhang (HARVARD UNIVERSITY) 
Hyperbolic problems forÂ families of algebraic manifolds 

March 29, 2016, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Piotr Chrusciel (UNIVERSITY OF VIENNA) 
Mass oc characteristic surfaces 

March 29, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G10 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Ben Davison (ĂCOLE POLYTECHNIQUE FĂ©DĂ©RALE DE LAUSANNE) 
Beyond the Kontsevich Soibelman integrality conjecture 

March 29, 2016, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Dan Xie (CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS) 
New N=2 dualitites 

March 28, 2016, 12:00  2:00 PM at CMSA Building, 20 Garden Street, Room G10 
BASIC NOTIONS SEMINAR / FACULTY COLLOQUIUM 
ShingTung Yau (HARVARD UNIVERSITY) 
Quasilocal conserved quantities in general relativity and gravitational radiation 

March 28, 2016, 3:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Perfectoid Spaces III 

March 24, 2016, 3:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Michael Eichmair (UNIVERSITY OF VIENNA) 
Minimal surfaces, isoperimetry, and nonnegative scalar curvature in asymptotically flat manifolds 

March 24, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G10 
NUMBER THEORY SEMINAR 
Jacob Tsimerman (UNIVERSITY OF TORONTO) 
Bounding 2torsion in class groups 

March 23, 2016, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Zeev Rudnick (TEL AVIV UNIVERSITY & IAS) 
Quantum chaos, eigenvalue statistics and the Fibonacci sequence 

March 23, 2016, 3:00 PM at CMSA Building, 20 Garden Street, Room G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Richard Freeman (HARVARD UNIVERSITY ECONOMICS) 
Pulling Apart of Wages and Productivity: why "identical" workers have increasingly different pay and productivity 

March 23, 2016, 4:30  5:30 PM at CMSA Building, 20 Garden Street, Room G10 
DIFFERENTIAL GEOMETRY SEMINAR 
Albert Chau (UNIVERSITY OF BRITISH COLUMBIA) 
An existence time estimate for Kahler Ricci flow and applications 

March 22, 2016, 4:15 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
HĂ©lĂšne Esnault (FREIE UNIVERSITĂ€T BERLIN) 
Various aspects of Lefschetz theorems 

March 22, 2016, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Jose Juan Fernandez Melgarejo (HARVARD UNIVERSITY) 
Gauged SUGRAS and duality symmetric theories 

March 21, 2016, 12:00  2:00 PM at CMSA Building, 20 Garden Street, Room G02 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Nikhil Savale (NOTRE DAME) 
Koszul complexes, Birkhoff normal form and the magnetic Dirac operator 

March 11, 2016, 3:30  4:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Hao Shen (COLUMBIA UNIVERSITY) 
The SineGordon stochastic PDE and regularity structures 

March 11, 2016, 1:30  3:00 PM *note special time at Science Center 232 *note different location 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Perfectoid Spaces II 

March 10, 2016, 3:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Feimin Huang (CHINESE ACADEMY OF SCIENCES) 
Isometric immersion of complete surface with slowly decaying negative Gauss curvature 

March 10, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G02 
NUMBER THEORY SEMINAR 
Tasho Kaletha (HARVARD UNIVERSITY) 
On the local and global ArthurLanglands conjectures 

March 09, 2016, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Adam W. Marcus (MATHEMATICS AND PACM, PRINCETON UNIVERSITY) 
Polynomials and (finite) free probability 

March 09, 2016, 3:00 PM at CMSA Building, 20 Garden Street, Room G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Piotr Chrusciel (UNIVERSITY OF VIENNA) 
The mathematics of gravitation 

March 09, 2016, 4:25 PM at CMSA Building, 20 Garden Street, Room G10 
DIFFERENTIAL GEOMETRY SEMINAR 
Herman Gluck (UNIVERSITY OF PENNYSLVANIA) 
Germs of fibrations of spheres by great circles always extend to the whole sphere 

March 08, 2016, 4:15 PM at Science Center 507 
GEOMETRIC ANALYSIS 
Albert Chau (UNIVERSITY OF BRITISH COLUMBIA) 
Survey on Kahler Ricci flow on nonnegatively curved noncompact mainfolds 

March 08, 2016, 9:50  10:50 am at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS PHYSICAL MATHEMATICS SEMINAR 
Michele Del Zotto (HARVARD UNIVERSITY PHYSICS) 
Little String Theories in Ftheory 

March 07, 2016, 12:00  2:00 PM at CMSA Building, 20 Garden Street, Room G02 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Perfectoid Spaces 

March 03, 2016, 3:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Piotr Chrusciel (UNIVERSITY OF VIENNA) 
Singularities in general relativity 

March 03, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G02 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Wei Ho (UNIVERSITY OF MICHIGAN) 
Ranks of elliptic curves: heuristics, theorems, and data (revisited!) 

March 03, 2016, Tea at 4:00 PM, the Austine & Chilton McDonnell Common Room, Science Center 4th Floor, Talk at 4:30 pm at Science Center Hall A 
NUMBER THEORY SEMINAR 
Noam Elkies (HARVARD UNIVERSITY) 
Some elliptic curves and surfaces of jinvariant zero 

March 02, 2016, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Lydia Bieri (UNIVERSITY OF MICHIGAN) 
Mathematical General Relativity 

March 02, 2016, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Ben Weinkove (NORTHWESTERN UNIVERSITY) 
MongeAmpere equations and metrics on complex manifolds 

March 01, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G02 
DIFFERENTIAL GEOMETRY SEMINAR 
Yong Lin (RENMIN UNIVERSITY OF CHINA) 
Some PDE's on graphs 

March 01, 2016, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SOCIAL SCIENCE APPLICATIONS FORUM 
Scott Kominers (HARVARD SOCIETY OF FELLOWS) 
Patent Trolls: Evidence from Targeted Firms (joint work with Lauren Cohen and Umit G. Gurun) 

February 29, 2016, 5:00  6:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Can Kozcas (CMSA) 
Elliptic Virasoro conformal blocks 

February 29, 2016, 12:00  2:00 PM at CMSA Building, 20 Garden Street, Room G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Chunpeng Wang (JILIN UNIVERSITY) 
Smooth Transonic Flows of Meyer Type in De Laval Nozzles 

February 25, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G02 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Tilting, ctd. 

February 25, 2016, 3:00  5:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Jerry Wang (PRINCETON UNIVERSITY) 
Density of polynomials with squarefree discriminant 

February 24, 2016, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Dan Xie (CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS) 
Singularity theory and supersymmetric field theory 

February 24, 2016, 4:30 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Aukosh Jagannath (COURANT INSTITUTE) 
The Parisi Variational Problem 

February 24, 2016, 3:00 PM at CMSA Building, 20 Garden Street, Room G02 
HARVARD LOGIC SEMINAR 
John Baldwin (UNIVERSITY OF ILLINOIS AT CHICAGO) 
The divorce of set theory and first order model theory 

February 24, 2016, 4:00  6:00 PM at 2 Arrow Street, Room #420 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Marc Hoyois (MIT) 
A1homotopical classification of principal Gbundles 

February 23, 2016, 3:00 PM at MIT 2131 
DIFFERENTIAL GEOMETRY SEMINAR 
Damin Wu (UNIVERSITY OF CONNECTICUT) 
On negatively pinched complete Kahler manifold 

February 23, 2016, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Burkhard Schwab (CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS) 
BMS, Soft Theorems and String Theory 

February 22, 2016, 12:00  2:00 PM at CMSA Building, 20 Garden Street, Room G02 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Jo Nelson (COLUMBIA/IAS) 
An integral lift of contact homology 

February 19, 2016, 3:30  4:30 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Tilting 

February 18, 2016, 3:00  5:00 PM at Science Center 507 
EVOLUTION EQUATIONS SEMINAR 
Zouqiang Shi (TSINGHUA UNIVERSITY) 
Low dimensional manifold model for image processing 

February 18, 2016, 9:50  10:50 am at CMSA Building, 20 Garden St, G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Florent Bekerman (MIT) 
Transport Methods and Universality for betamatrix models 

February 17, 2016, 2:50 PM at CMSA Building, 20 Garden Street, Room G02 
NUMBER THEORY SEMINAR 
Ila Varma (HARVARD UNIVERSITY) 
Galois representations associated to regular algebraic cuspidal automorphic representations of GLn are de Rham 

February 17, 2016, 3:00  4:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Samuel Kou (HARVARD UNIVERSITY STATISTICS) 
Big data, Google and disease detection: the statistical story 

February 17, 2016, 4:30  5:30 PM at CMSA Building, 20 Garden Street, Room G10 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Dhruv Ranganathan (YALE UNIVERSITY) 
Nonarchimedean geometry, logarithmic structures, and spaces of curves in toric varieties 

February 16, 2016, 3:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Lydia Bieri (UNIVERSITY OF MICHIGAN) 
The Shape of the Universe 

February 16, 2016, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Camillo DeLellis (INSTITUT FĂŒR MATHEMATIK UNIVERSITĂ€T ZĂŒRICH) 
Approaching Plateau's problem with minimizing sequences of sets 

February 16, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Artan Sheshmani (MIT) 
Counting curves on surfaces in CalabiYau threefolds and proof of Sduality modularity conjecture 

February 15, 2016, 12:00 pm at CMSA Building 20 Garden St G02 
THURSDAY SEMINAR 
Bhargav Bhatt (UNIVERSITY OF MICHIGAN) 
Overview of the perfectoid construction of A\Omega 

February 11, 2016, 3:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Lydia Bieri (UNIVERSITY OF MICHIGAN) 
Einstein's Equations, Energy and Gravitational Radiation 

February 11, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Chunpeng Wang (JILIN UNIVERSITY) 
Continuous SubsonicSonic Flows in a Convergent Nozzle 

February 10, 2016, 4:00 PM at CMSA Building, 20 Garden Street, Room G10 
NUMBER THEORY SEMINAR 
Paul Frank Baum (PENNSYLVANIA STATE UNIVERSITY) 
Geometric Structure in Smooth Dual 

February 10, 2016, 3:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Jonathan Weitsman (NORTHEASTERN UNIVERSITY) 
Quantization of bsymplectic manifolds 

February 09, 2016, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Valentino Tosatti (NORTHWESTERN UNIVERSITY) 
NonKahler CalabiYau manifolds 

February 09, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G02 
THURSDAY SEMINAR 
Ben Knudsen (HARVARD UNIVERSITY) 
The derivatives of the identity fnctor 

February 08, 2016, 3:00  5:00 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Hossein Movasati (IMPA) 
CalabiYau modular forms: Are they as useful as elliptic modular forms? 

February 08, 2016, 12:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Pranav Pandit (UNIVERSITĂ€T WIEN) 
Categorical KĂ€hler Geometry 

February 04, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Antti Knowles (ETH ZURICH) 
An optimal rotational invariant estimator for general covariance matricesâ 

February 03, 2016, 2:30 PM at CMSA Building, 20 Garden Street, Room G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Camillo DeLellis (INSTITUT FĂŒR MATHEMATIK UNIVERSITĂ€T ZĂŒRICH) 
From Nash to Onsager, funny coincidences across differential geometry and the theory of turbulence 

February 03, 2016, 4:00 PM at CMSA Building, 20 Garden Street, Room G10 
NUMBER THEORY SEMINAR 
Alexander Lubotzky (THE HEBREW UNIVERSITY / YALE UNIVERSITY) 
From Ramanujan graphs to Ramanujan complexes 

February 03, 2016, 3:00 PM at Science Center 507 
HARVARD LOGIC SEMINAR 
Ilijas Farah (YORK UNIVERSITY) 
Set theory and representations of C*algebras 

February 03, 2016, 4:00  6:00 PM at 2 Arrow Street, Room #420 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Yi Zhang (FUDAN UNIVERSITY) 
Hodge Bundles on Smooth Compactifications of Siegel Varieties 

February 02, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G02 
DIFFERENTIAL GEOMETRY SEMINAR 
William Meeks (UMASS AMHERST) 
Embedded spheres in homogeneous 3manifolds 

February 02, 2016, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Yukinobu Toda (MIT) 
Wallcrossing formulas of higher rank DonaldsonThomas invariants 

February 01, 2016, 12:00 PM at CMSA Building, 20 Garden Street, Room G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Xiaoli Han (TSINGHUA UNIVERSITY) 
The symplecitic and Lagranian mean curvature flow 

January 28, 2016, 9:50  10:50 am at CMSA Building, 20 Garden Street, Room G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Louigi Addario (MCGILL UNIVERSITY) 
Slowdown of the front for branching Brownian motion with decay mass 

January 27, 2016, 2:30 PM at CMSA Building, 20 Garden Street, Room G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Conan Leung (IMS/THE CHINESE UNIVERSITY OF HONG KONG) 
Some modern aspects of Morse theory 

January 27, 2016, 4:00 PM at CMSA Building, 20 Garden Street, Room G10 
DIFFERENTIAL GEOMETRY SEMINAR 
Conan Leung (IMS/THE CHINESE UNIVERSITY OF HONG KONG) 
DonaldThomas invariants for CalabiYau fourfolds 

January 26, 2016, 4:15 PM at Science Center 507 
BASIC NOTIONS SEMINAR 
Phil Sosoe (CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS) 
The Chemical Distance in Critical Percolation 

December 14, 2015, 3:00 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Matthew J. Holman (HARVARD SMITHSONIAN CENTER FOR ASTROPHYSICS) 
Dynamical Chaos in Kepler Planetary Systems 

December 09, 2015, 4:00  5:00 PM at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Roland Bauerschmidt (HARVARD UNIVERSITY) 
Renormalization Group Analysis of SelfAvoiding Walk and Spin Models in 4D 

December 08, 2015, 4:15 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
SĂ¶rin Petrat (IST, AUSTRIA) 
Derivation of Meanfield Dynamics for Fermions 

December 08, 2015, 1:15 pm at Jefferson 453 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Piotr Surowka (HARVARD UNIVERSITY PHYSICS) 
Anomalies, Information Geometry and (Turbulent) Hydrodynamics  inspiration for mathematicians 

December 07, 2015, 12:00  2:00 PM at Science Center 232 
BASIC NOTIONS SEMINAR 
YumTong Siu (HARVARD UNIVERSITY) 
Recent Results and Problems in Several Complex Variables Involving Construction of Holomorphic Sections 

December 07, 2015, 3:00 PM at Science Center 507 
THURSDAY SEMINAR 
Bhargav Bhatt (UNIVERSITY OF MICHIGAN) 
Crystalline cohomology 

December 03, 2015, 3:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Scott Kominers (HARVARD SOCIETY OF FELLOWS) 
Generalized Matching Market Design: Theory and Practice 

December 02, 2015, 4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Benedict Gross (HARVARD UNIVERSITY) 
On some Artin Lseries 

December 02, 2015, 3:00  4:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Philip Engel (HARVARD UNIVERSITY) 
TBA 

December 01, 2015, 3:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Bong Lian (BRANDEIS UNIVERSITY) 
Large complex structure limits of CalabiYau manifolds 

December 01, 2015, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Roger Casals (MIT) 
Legendrian Presentation of Weinstein Domains 

November 30, 2015, 12:00  2:00 PM at Science Center 232 
MATHEMATICAL PHYSICS SEMINAR 
Daniel Harlow (HARVARD UNIVERSITY) 
Operator Algebras and Entropy in Lattice Gauge Theory 

November 24, 2015, 1:15 pm at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
Victor Kac (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
Algebraic Theory of Integrable Systems 

November 24, 2015, 4:15 PM at Jefferson 356 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Hongwei Xu (CMS AT ZHEJIANG UNIVERSITY) 
Mean curvature flow meets Ricci flow: Convergence and sphere theorems of submanifolds arising from Yau rigidity theory 

November 24, 2015, 10:00 AM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Nima Lashkari (MIT) 
Holographic relative entropy is a Noether charge 

November 23, 2015, 12:00  2:00 PM at Science Center 232 
BASIC NOTIONS SEMINAR 
Joe Harris (HARVARD UNIVERSITY) 
Variations of Hodge Structures 

November 23, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Nicolai Krylov (UNIVERSITY OF MINNESOTA) 
To the theory of viscosity solutions for uniformly parabolic Isaacs equations 

November 19, 2015, 10:00 AM at Science Center 232 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Mahowald's theorem on E_2 algebras 

November 19, 2015, 3:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
LouisPierre Arguin (CUNY) 
The maximum of the characteristic polynomial of random unitary matrices 

November 18, 2015, 2:00 PM at Science Center 232 
NUMBER THEORY SEMINAR 
Carl Wang Erickson (BRANDEIS UNIVERSITY) 
Ordinary pseudorepresentations, modular forms, and Iwasawa theory 

November 18, 2015, 3:00  4:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Peng Jian (HARVARD SCHOOL OF PUBLIC HEALTH) 
Inference of transcriptional regulation in cancers 

November 18, 2015, 4:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Xin Zhou (MIT) 
Minmax theory in Gaussian space and Entropy Conjecture 

November 17, 2015, 4:15 PM at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Bas Janssens (UTRECHT) 
Reflection Positivity for Majoranas and Spins 

November 17, 2015, 4:15 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Thomas Spencer (INSTITUTE FOR ADVANCED STUDY) 
Randomness in Classical and Quantum Dynamics 

November 17, 2015, 1:15 pm at Jefferson 453 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Curt McMullen (HARVARD UNIVERSITY) 
Cubic curves and Teichmuller theory 

November 17, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Ovidiu Savin (COLUMBIA UNIVERSITY) 
Examples of singular minimizers in the calculus of variations 

November 17, 2015, 10:00 AM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
MuTao Wang (COLUMBIA UNIVERSITY) 
Stability of Lagranian curvature flows 

November 16, 2015, 12:00 PM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Nicholas Zygouras (UNIVERSITY OF WARWICK) 
From disorder relevance to the 2d Stochastic Heat Equation 

November 16, 2015, 2:00 PM at Science Center 530 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Caitlin Leverson (DUKE UNIVERSITY) 
Legendrian link invariants 

November 13, 2015, 3:30  4:30 PM at Science Center 507 
THURSDAY SEMINAR 
Peter Scholze (UNIVERSITY OF BONN) 
TBA 

November 12, 2015, 3:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Zhouping Xin (CHINESE UNIVERSITY OF HONG KONG) 
Nonlinear Asymptotic Stability of LaneEmden Solutions for The Viscous Gaseous Star Problem 

November 12, 2015, 1st talk: 9:30  10:30 am at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Nicolai Krylov (UNIVERSITY OF MINNESOTA) 
On the existence of $\bf W^{2}_{p}$ solutions for fully nonlinear elliptic equations under relaxed convexity assumptions 

November 12, 2015, 2nd talk: 10:30  11:30 am at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Stan Osher (joint work with Jerome Darbon) (UCLA) 
Overcoming the curse of dimensionality for certain HamiltonJacobi (HJ)equations arising in control theory and elsewhere 

November 11, 2015, 4:00  5:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Cristian Popescu (UC SAN DIEGO) 
Abstract ladic 1motives and applications 

November 11, 2015, 3:00  4:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Boris Hanin (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
Nodal Sets of Random Eigenfunctions of the Harmonic Oscillator 

November 10, 2015, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Adam Jacob (UC DAVIS) 
(1,1) forms with specified Lagrangian phase 

November 10, 2015, 2nd talk: 10:30  11:30 am at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Jerome Darbon (CNRS/CMLA ECOLE NORMALE SUPERIEURE DE CACHAN) 
On Convex FiniteDimensional Variational Methods in Imaging Sciences and HamiltonJacobi Equations 

November 10, 2015, 1st talk: 9:30  10:30 am at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Alireza Behtash (NORTH CAROLINA STATE UNIVERSITY) 
Lefschetz Thimbles and Supersymmetric Quantum Mechanics 

November 09, 2015, 12:00  1:00 PM at Science Center 232 
BASIC NOTIONS SEMINAR 
Cristian Popescu (UC SAN DIEGO) 
The arithmetic of special values of Lfunctions 

November 09, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Yan Guo (BROWN UNIVERSITY  DIVISION OF APPLIED MATHEMATICS) 
Regularity of Boltzmann Solutions in Convex Domains 

November 09, 2015, 1:00  2:00 PM at Science Center 232 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Thomas Walpuski (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
A proposal for U(1)â"gauge theory on G_2â"manifolds 

November 06, 2015, 3:30  4:30 PM at Science Center 507 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Tom Goodwillie (BROWN UNIVERSITY) 
Characteristic classes for bundles of manifolds 

November 05, 2015, Tea at 4:00 PM, the Austine & Chilton McDonnell Common Room, Science Center 4th Floor, Talk at 4:30 pm at Science Center Hall A 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Thomas Y. Hou (CALIFORNIA INSTITUTE OF TECHNOLOGY) 
Blowup or no blowup? The interplay between theory and computation in the study of 3D Euler equations 

November 04, 2015, 4:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Vadim Gorin (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
Largest eigenvalues in random matrix betaensembles: structures of the limit 

November 04, 2015, 2:00 PM at Science Center 232 
NUMBER THEORY SEMINAR 
Michael Harris (COLUMBIA UNIVERSITY) 
Modularity theorems in the function field setting and local Langlands parametrization 

November 04, 2015, 3:00  4:00 PM at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Adrian Ocneanu (PENNSYLVANIA STATE UNIVERSITY) 
Higher Symmetry Models and Quantum Field Theory 

November 03, 2015, 4:15 PM at Jefferson 356 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Rohini Ramadas (UNIVERSITY OF MICHIGAN) 
Hurwitz correspondences on compactifications of M0,N 

November 03, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Thomas Y. Hou (CALIFORNIA INSTITUTE OF TECHNOLOGY) 
Existence and stability of selfsimilar singularities for a 1D model of the 3D axisymmetric Euler equations 

November 03, 2015, 10:00 AM at Science Center 232 
DIFFERENTIAL GEOMETRY SEMINAR 
Binglong Chen (SUN YATSEN UNIVERSITY) 
On the local regularity of Einstein spacetimes 

November 03, 2015, 4:15 PM at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
XiaoGang Wen (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
A Classification of Phases of Matter with No Symmetry in Two Spatial Dimensions 

November 03, 2015, 1:15 pm at Jefferson 453 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Ryan Mickler (NORTHEASTERN UNIVERSITY) 
A new look at ChernSimons on circle bundles 

November 02, 2015, 12:00  2:00 PM at Science Center 232 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY 
Richard Hind (NOTRE DAME) 
Embeddings of Lagrangian tori 

October 30, 2015, 3:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Pin Yu (TSINGHUA UNIVERSITY) 
Shock formations for 3 dimensional wave equations 

October 29, 2015, 10:00 AM at Science Center 232 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
The Filtration on THH (Characteristic p Case) 

October 29, 2015, 3:00  5:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Lassina Dembele (UNIVERSITY OF WARWICK AND ICERM) 
Lifts of Hilbert modular forms and applications to modularity 

October 28, 2015, 3:00  4:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY SEMINAR 
VuLan Nguyen (UNIVERSITĂ© PARIS DIDEROT) 
Variants of geometric RSK, geometric PNG and the multipoint distribution of the loggamma polymer 

October 28, 2015, 2:00pm at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Cris Moore (SANTA FE INSTITUTE) 
Statistical inference, statistical physics, and the community detection problem 

October 28, 2015, 4:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Monther R. Alfuraidan & Mohamed Amine Khamsi (KING FAHD UNIVERSITY & UNIVERSITY OF TEXAS AT EL PASO) 
Graphical approach to some fixed point problems 

October 28, 2015, 11:00 AM at Science Center 530 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Ana Caraiani (PRINCETON UNIVERSITY) 
On vanishing of torsion in the cohomology of Shimura varieties 

October 27, 2015, 3:00 PM at MIT E17128 
DIFFERENTIAL GEOMETRY SEMINAR 
Thomas Walpuski (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
G2â"instantons over twisted connected sums 

October 27, 2015, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Liang Kong (UNIVERSITY OF NEW HAMPSHIRE & CMSA, HARVARD) 
Boundarybulk relation for topological orders in any dimensions 

October 26, 2015, 12:00  2:00 PM at Science Center 232 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Mohammed Abouzaid (COLUMBIA UNIVERSITY) 
Nearby Lagrangians are simply homotopic 

October 23, 2015, 3:30  4:30 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
The Topological Hochschild Homology of Z/p 

October 22, 2015, 3:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Xiangdi Huang (CHINESE ACADEMY OF SCIENCES) 
On Nash's problem for compressible flows 

October 22, 2015, 10:00 AM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Nicholas Cook (UCLA) 
Random regular digraphs: singularity and spectrum 

October 21, 2015, 2:00  3:00 PM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Zhouping Xin (CHINESE UNIVERSITY OF HONG KONG) 
Entropy and Uniqueness of Weak Solutions to The MultiDimensional Compressible Euler Systems 

October 21, 2015, 4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
David Hansen (COLUMBIA UNIVERSITY) 
Critical padic Lfunctions 

October 21, 2015, 3:00  4:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Anand Deopurkar (COLUMBIA UNIVERSITY) 
Syzygies, GIT, and the log MMP for Mg 

October 20, 2015, 3:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Michael Anderson (STONY BROOK) 
Boundary value problems for Einstein metrics and a conjecture of Bartnik 

October 20, 2015, 4:15 PM at Science Center 507 
BASIC NOTIONS SEMINAR 
Wilfried Schmid (HARVARD UNIVERSITY) 
Automorphic distributions 

October 19, 2015, 3:00  4:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Yifan Wang (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
ArgyresDouglas theories, Hitchin systems and Compound Du Val singularities 

October 19, 2015, 12:00  2:00 PM at Science Center 232 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Cheuk Yu Mak (MINNESOTA) 
Divisorial caps, uniruled caps and CalabiYau caps 

October 16, 2015, 3:30  4:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Zhouping Xin (CHINESE UNIVERSITY OF HONG KONG) 
On Global WellPosedness of The Compressible NavierStokes Systems with Large Oscillations 

October 15, 2015, 10:00 AM at Science Center 232 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Cyclotomic spectra and the de RhamWitt complex 

October 15, 2015, 3:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Benjamin Schweinhart (CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS) 
Universality Conjectures for Curvature Flow on Graphs 

October 14, 2015, 2:00  3:00 PM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Boaz Barak (HARVARD UNIVERSITY SEAS) 
Convexity, Bayesianism, and the quest towards Optimal Algorithms 

October 14, 2015, 4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Wei Zhang (COLUMBIA UNIVERSITY) 
Cycles on the moduli of Shtukas and Taylor coefficients of Lfunctions (II) **Note: This is a continuation of Zhiwei Yun's talk, on Oct 13, 4:305:30pm in MIT room E17122. 

October 14, 2015, 3:00  4:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Alex Perry (HARVARD UNIVERSITY) 
Categorical joins 

October 13, 2015, 3:00 PM at MIT E17122 
DIFFERENTIAL GEOMETRY SEMINAR 
Adrian Zahariuc (HARVARD UNIVERSITY) 
Specialization of Quintic Threefolds to the Chordal Variety 

October 13, 2015, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Pengfei Guan (MCGILL UNIVERSITY) 
Isometric embeddings of $(S^2,g)$ to general warped product space $(N^3,\bar g)$. 

October 13, 2015, 10:00 AM at Science Center 232 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Kenji Fukaya (SIMONS CENTER FOR GEOMETRY & PHYSICS, STONY BROOK UNIVERSITY) 
SO(3) Floer homology with 3 manifold with boundary 

October 08, 2015, 4:30 pm ; Tea at 4:00 PM, the Austine & Chilton McDonnell Common Room, Science Center 4th Floor at Science Center Hall A 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
THH without equivariant homotopy theory 

October 08, 2015, 3:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Chunjing Xie (SHANGHAI JIAO TONG UNIVERSITY) 
Steady Euler flows past a wall or through a nozzle 

October 08, 2015, 10:00 AM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Chris Rogan (HARVARD UNIVERSITY PHYSICS) 
Exploring the Frontier of Size and Energy with the Large Hadron Collider: subatomic particles, the Higgs Boson and beyond. 

October 07, 2015, 4:00  5:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Kiran S. Kedlaya (UNIVERSITY OF CALIFORNIA AT SAN DIEGO) 
Convergence polygons for padic differential equations 

October 07, 2015, 3:00  4:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Martin Zirnbauer (COLOGNE/SIMONS CENTER) 
Bott periodicity and the "Periodic Table" of topological insulators and superconductors 

October 07, 2015, 2:00  3:30 PM at Science Center 232 
DIFFERENTIAL GEOMETRY SEMINAR 
Song Sun (STONY BROOK) 
Singularities of KahlerEinstein metrics and algebraic stability 

October 06, 2015, 4:15 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Algebraic and motive vector bundles 

October 06, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Binglong Chen (SUN YATSEN UNIVERSITY) 
Ricci flow and the moduli spaces of positive isotropic curvature metrics on fourmanifolds 

October 06, 2015, 10:00 AM at Science Center 232 
BASIC NOTIONS SEMINAR 
Clifford Taubes (HARVARD UNIVERSITY) 
4manifold topology (or maybe geometry) and hyperbolic knots in the 3sphere 

October 05, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Erik Carlsson (CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS) 
agt and the segal sugawara construction 

October 05, 2015, 12:00  2:00 PM at Science Center 232 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Chris Wendl (UNIVERSITY COLLEGE LONDON) 
Tight contact structures on connected sums need not be contact connected sums 

October 02, 2015, 3:30  4:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Pin Yu (TSINGHUA UNIVERSITY) 
Construction of Cauchy data of vacuum Einstein field equations evolving to black holes 

October 01, 2015, 10:00 AM at Science Center 232 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
An Introduction to the de RhamWitt Complex 

October 01, 2015, 3:00  5:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Ben Howard (BOSTON COLLEGE) 
Faltings heights and orthogonal Shimura varieties 

September 30, 2015, 3:00  4:00 PM *1st seminar* at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Kyle Luh (YALE UNIVERSITY) 
Random Matrices: l1 Concentration and Dictionary Learning with Few Samples 

September 30, 2015, 2:00 PM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Leslie Valiant (HARVARD UNIVERSITY SEAS) 
Holographic Algorithms 

September 30, 2015, 4:00  5:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Shouwu Zhang (PRINCETON UNIVERSITY) 
Faltings heights and Zariski density of CM abelian varieties 

September 30, 2015, 4:30  5:30 PM *2nd seminar* at Science Center 530 
DIFFERENTIAL GEOMETRY SEMINAR 
Gabor Lippner (NORTHEASTERN UNIVERSITY) 
Sharp convexity estimates for harmonic functions on the lattice, via absolute monotonicity 

September 29, 2015, **2  3 pm** Special Time at Science Center 232 
GEOMETRIC ANALYSIS SEMINAR 
Xuqian Fan (JINAN UNIVERSITY) 
The Steklov eigenvalues on annuli 

September 29, 2015, 10:00 AM at Science Center 232 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Yongbin Ruan (UNIVERSITY OF MICHIGAN) 
A mathematical theory of gauged linear sigma model (GLSM) 

September 29, 2015, 3:00 PM at MIT E17122 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Shamil Shakirov (HARVARD UNIVERSITY) 
Refining ChernSimons theory in genus two 

September 28, 2015, 12:00  2:00 PM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
LiCheng Tsai (STANFORD UNIVERSITY) 
KPZ equation limit of interacting particle systems 

September 28, 2015, 2:00 PM at Science Center 232 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Peter Kronheimer (HARVARD UNIVERSITY) 
The fourcolor theorem and spatial graphs 

September 25, 2015, 3:30  4:30 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Witt vectors, THH, and equivariant stable homotopy theory 

September 24, 2015, 3:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Felix Finster (UNIVERSITĂ€T REGENSBURG) 
Causal fermion systems and the causal action principle 

September 24, 2015, 10:00 AM at Science Center 232 
NUMBER THEORY SEMINAR 
Jessica Fintzen (HARVARD UNIVERSITY) 
Stable vectors in the MoyPrasad filtration 

September 23, 2015, 3:00  4:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Felix Finster (UNIVERSITĂ€T REGENSBURG) 
Linear hyperbolic equations in a rotating black hole geometry 

September 23, 2015, 4:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Xin Sun (MIT) 
Almost sure multifractal spectrum of SLE 

September 23, 2015, 2:00  3:30 PM at Science Center 232 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Daniel HalpernLeistner (COLUMBIA UNIVERSITY) 
Equivariant Hodge theory 

September 22, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Teng Fei (MIT) 
Some new solutions to the Strominger system 

September 22, 2015, 10:00 AM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Atsushi Kanazawa (CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS) 
Tiling, SYZ and modular forms 

September 21, 2015, 12:00  2:00 PM at Science Center 232 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Jianfeng Lin (UCLA) 
The unfolded SeibergWittenFloer spectrum and its applications 

September 18, 2015, 3:00  4:00 PM **Special time** at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Introduction to Topological Hochschild and cyclic homology 

September 17, 2015, 3:00  4:05 PM **Special time** at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Xiangdi Huang (CHINESE ACADEMY OF SCIENCES) 
On Nash's problem for compressible flows 

September 17, 2015, 10:00 AM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Scott Aaronson (MIT) 
BosonSampling and the Permanents of Gaussian Matrices 

September 16, 2015, 2:00  3:30 PM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Subir Sachdev (HARVARD UNIVERSITY PHYSICS) 
BekensteinHawking entropy and strange metals 

September 16, 2015, 4:00  5:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Alina Bucur (UCSD AND ICERM) 
Statistics for points on curves over finite fields 

September 16, 2015, 3:00  4:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Claude LeBrun (STONY BROOK) 
Mass in KĂ€hler Geometry 

September 15, 2015, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Hongwei Xu (ZHEJIANG UNIVERSITY) 
Mean Curvature Flow and Sphere Theorem 

September 15, 2015, 10:00 AM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS MATHEMATICAL PHYSICS SEMINAR 
Wenbin Yan (CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS) 
(0,4) dualities 

September 14, 2015, 12:00  2:00 PM at Science Center 232 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Richard Schwartz (BROWN UNIVERSITY) 
The plaid model and outer billiards 

September 11, 2015, 3:30  4:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS EVOLUTION EQUATIONS SEMINAR 
Chunjing Xie (SHANGHAI JIAO TONG UNIVERSITY) 
Well/illposedness for the rotating shallow water system 

September 10, 2015, 10:00 AM at Science Center 232 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
padic Hodge Theory and Topological Hochschild Homology 

September 10, 2015, 3:00  5:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Erick Knight (HARVARD UNIVERSITY) 
A padic JacquetLanglands Correspondence 

September 09, 2015, 3:00  4:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Mithat Unsal (NORTH CAROLINA STATE UNIVERSITY) 
What is QFT? Resurgent transseries, Lefschetz thimbles, and new exact saddles 

September 09, 2015, 4:30  5:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS GEOMETRIC ANALYSIS SEMINAR 
Binglong Chen (SUN YATSEN UNIVERSITY) 
On the geometry of complete positively curved Kahler manifolds 

September 08, 2015, 10:00 AM at Science Center 232 
DIFFERENTIAL GEOMETRY SEMINAR 
Hossein Movasati (IMPA) 
Why should one compute the periods of algebraic cycles? 

September 08, 2015, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Madhu Sudan (MICROSOFT RESEARCH) 
Robust Lowdegree Testing 

September 02, 2015, 4:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Zhengcheng Gu (PERIMETER INSTITUTE) 
Topological Quantum Field Theory approach for Bosonic SymmetryProtectedTopological Phases with Abelian Symmetry in Three Dimensions 

September 01, 2015, 4:15 PM at Science Center 507 
EVOLUTION EQUATIONS SEMINAR 
Long Jin (CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS) 
Scattering Resonances for Convex Obstacles 

September 01, 2015, 10:00 AM at Science Center 232 
MATHEMATICAL PHYSICS SEMINAR 
Babak Haghighat (HARVARD UNIVERSITY) 
Modularity of Yukawacouplings for elliptic CalabiYau manifolds 

August 31, 2015, 12:00  2:00 PM at Science Center 232 
SPECIAL LECTURE SERIES, 3RD LECTURE 
Alessandro Tomasiello (MILANO  BICOCCA) 
Higherdimensional superconformal theories from string theory 

May 29, 2015, 2:00 PM at Science Center 507 
SPECIAL LECTURE SERIES, 2ND LECTURE 
Alessandro Tomasiello (MILANO  BICOCCA) 
Higherdimensional superconformal theories from string theory 

May 26, 2015, 2:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Claudio Landim (IMPA) 
Condensing zerorange processes 

May 22, 2015, 11:30 am  1:00 pm at Science Center 232 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Laura DeMarco (NORTHWESTERN UNIVERSITY) 
Complex Dynamics and Elliptic Curves 

May 13, 2015, 4:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
XiaoGang Wen (MIT) 
Symmetryprotectedtopological order and algebraic topology 

May 13, 2015, 4:00  5:00 PM at Science Center Hall E 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Qingtao Chen (INTERNATIONAL CENTER FOR THEORETICAL PHYSICS) 
Quantum invariants, Skein relations and Volume Conjecture 

May 12, 2015, 4:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Noureddine El Karoui (UC BERKELEY) 
Some remarks on the bootstrap in highdimension 

May 07, 2015, 12:00  1:30 pm at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Jeff Lichtman (HARVARD UNIVERSITY MCB) 
Graphing the Connectome 

May 06, 2015, 3:00 PM at Science Center Hall A 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
June Huh (PRINCETON UNIVERSITY) 
Positive currents and algebraic cycles in permutohedral varieties 

May 05, 2015, 3:00 PM at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Zhengwei Liu (VANDERBILT AND HARVARD) 
The Classification and Construction of Subfactors 

May 05, 2015, 2:00 PM at Science Center 530 
DIFFERENTIAL GEOMETRY SEMINAR 
GĂĄbor SzĂ©kelyhidi (UNIVERSITY OF NOTRE DAME) 
KahlerEinstein metrics along the smooth continuity method 

May 05, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Valentino Tosatti (NORTHWESTERN UNIVERSITY) 
Degenerations and collapsing of Ricciflat CalabiYau manifolds 

May 05, 2015, 1:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS PHYSICAL MATHEMATICS SEMINAR 
Philippe Sosoe (CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS) 
The chemical distance in critical percolation 

May 04, 2015, 12:00  2:00 PM at Science Center 232 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Yanir Rubinstein (UNIVERSITY OF MARYLAND) 
The degenerate special Lagrangian equation 

May 01, 2015, 3:30  4:30 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Matthieu Astorg (UNIVERSITĂ© PAUL SABATIER) 
A polynomial endomorphism of C^2 with a wandering Fatou component 

April 29, 2015, 4:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
XiaoGang Wen (MIT) 
Symmetryprotectedtopological order and algebraic topology 

April 29, 2015, 4:00 PM at Science Center Hall A 
NUMBER THEORY SEMINAR 
Alexander Merkurjev (UCLA) 
Suslin's Conjecture on the reduced Whitehead group of a simple algebra 

April 29, 2015, 3:00 PM at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Senya B. Shlosman (AIXMARSEILLE UNIVERSITY AND BROWN UNIVERSITY) 
Airy Diffusion and N1/3 Fluctuations in the 2D Ising Model 

April 28, 2015, 2:00 PM at Science Center 530 
DIFFERENTIAL GEOMETRY SEMINAR 
HsianHua Tseng (OHIO STATE UNIVERSITY) 
Virasoro beyond semisimple cases 

April 28, 2015, 4:15 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Joseph Landsberg (TEXAS A & M UNIVERSITY) 
What is geometric complexity theory? 

April 28, 2015, 3:00 PM at MIT 36156 
SPECIAL NUMBER THEORY SEMINAR 
JeanPierre Serre (COLLĂšGE DE FRANCE) 
Galois cohomological invariants 

April 27, 2015, 3:00 PM at Science Center Hall A 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS PHYSICAL MATHEMATICS SEMINAR 
Noppadol Mekareeya (CERN) 
Coulomb Branch and the Moduli Space of Instantons 

April 27, 2015, 12:00  2:00 PM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Tyler Helmuth (ICERM AND BROWN UNIVERSITY) 
Loopweighted Walk 

April 23, 2015, 2:00  3:00 PM at Science Center 232 
NUMBER THEORY SEMINAR 
James Borger (AUSTRALIAN NATIONAL UNIVERSITY) 
Positivity and periodicity in global Witt vectors 

April 22, 2015, 3:00 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Holly Krieger (MIT) 
A case of the dynamical AndrĂ©Oort conjecture 

April 22, 2015, 4:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
WeiKuo Cheng (UNIVERSITY OF CHICAGO) 
Selfaveraging and universality in spin glasses 

April 22, 2015, 11:30 am  1:00 pm at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Suvrat Raju (INTERNATIONAL CENTRE FOR THEORETICAL SCIENCES) 
The Information Paradox and the black hole interior in AdS/CFT 

April 22, 2015, 4:00 PM at Science Center Hall A 
DIFFERENTIAL GEOMETRY SEMINAR 
Steve Rosenberg (BOSTON UNIVERSITY) 
Diffeomorphism groups of Sasakian manifolds 

April 21, 2015, 4:15 PM at Science Center 507 
A SPECIAL TALK IN BASIC NOTIONS 
JeanPierre Serre (COLLĂšGE DE FRANCE) 
Linear representations of finite groups 

April 21, 2015, 3:00 PM at Science Center Hall D 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Giulia Sacca (STONY BROOK) 
Symplectic singularities and quiver varieties 

April 21, 2015, 4:00  5:00 PM *special time at Science Center 309A *special location 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS PHYSICAL MATHEMATICS SEMINAR 
Maria Rodriguez (HARVARD UNIVERSITY PHYSICS) 
Exact Solutions for Extreme Black Hole Magnetospheres 

April 20, 2015, 12:00  2:00 PM at Science Center 232 
BASIC NOTIONS SEMINAR 
Dennis Gaitsgory (HARVARD UNIVERSITY) 
Langlands correspondence via shtukas, after V. Drinfeld, L. Lafforgue and V. Lafforgue 

April 20, 2015, 3:00 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Danny Ruberman (BRANDEIS UNIVERSITY) 
Absolutely exotic 4manifolds 

April 17, 2015, 3:30  4:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Xihong Lin (DEPT OF BIOSTATISTICS, HARVARD H. T. CHAN SCHOOL OF PUBLIC HEALTH) 
Statistical Analysis of Massive Genetic and Genomic Data 

April 15, 2015, 4:00 PM at Science Center Hall A 
SPECIAL SEMINAR 
PoNing Chen (COLUMBIA UNIVERSITY) 
Quasilocal mass in general relativity 

April 15, 2015, 1:00  2:00 PM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Lionel Levine (CORNELL UNIVERSITY) 
Circles in the Sand 

April 15, 2015, 11:30 am  1:00 pm at Science Center 530 
SPECIAL SEMINAR 
Geoffrey CompĂšre (UNIVERSITĂ© LIBRE DE BRUXELLES) 
Extension of Virasoro symmetries near extremal black hole horizons 

April 15, 2015, 2:00  3:00 PM at Science Center 232 
NUMBER THEORY SEMINAR 
Stefan Patrikis (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
Deformations of Galois representations and exceptional monodromy 

April 15, 2015, 3:00 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Simion Filip (UNIVERSITY OF CHICAGO) 
Families of K3 surfaces and their asymptotic properties 

April 15, 2015, 4:00  5:00 PM at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Bas Janssens (INSTITUTE OF MATHEMATICS, UNIVERSITY OF UTRECHT) 
Projective Unitary Representations of Infinite Dimensional Lie Groups 

April 14, 2015, 2:00 PM at Science Center 530 
DIFFERENTIAL GEOMETRY SEMINAR 
Bong Lian (BRANDEIS UNIVERSITY) 
Some applications of period integrals 

April 14, 2015, 4:15 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Dan Pomerleano (IMPERIAL COLLEGE) 
Symplectic cohomology in the topological limit 

April 10, 2015, 3:30  4:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Yuchen Pei (UNIVERSITY OF WARWICK) 
A qweighted version of the RobinsonSchensted algorithm 

April 08, 2015, 11:30 am  1:00 pm at Science Center 232 
NUMBER THEORY SEMINAR 
Paul Hamacher (HARVARD UNIVERSITY) 
The geometry of the Newton stratification of a PELShimura variety 

April 08, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Cumrun Vafa (HARVARD UNIVERSITY PHYSICS) 
On Mathematical Aspects of String Theory 

April 08, 2015, 4:00 PM at Science Center Hall A 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Barbara Bolognese (NORTHEASTERN UNIVERSITY) 
TBA 

April 07, 2015, 3:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Thomas Walpuski (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
G2instantons, associative submanifolds and generalized SeibergWitten equations 

April 07, 2015, 4:15 PM at Science Center 507 
BASIC NOTIONS SEMINAR 
ShingTung Yau (HARVARD UNIVERSITY) 
Period integrals of algebraic manifolds and their differential equations (Joint works with Bong Lian and An Huang) 

April 06, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS PHYSICAL MATHEMATICS SEMINAR 
Anda Degeratu (UNIVERSITY OF FREIBERG) 
Analysis on QAC Spaces 

April 06, 2015, 12:00  2:00 PM at Science Center 232 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Tara Holm (CORNELL UNIVERSITY) 
The Topology of Toric Origami Manifolds 

April 03, 2015, 3:30  4:30 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Motivic vector bundles 

April 02, 2015, 3:30  5:30 pm at Science Center Hall E 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
HongJian He (TSINGHUA UNIVERSITY) 
Higgs Boson as the Origin of Mass and Inflation 

April 01, 2015, 4:00 PM at Science Center Hall A 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Sunil Chhita (UNIVERSITY OF BONN, ICERM) 
The twoperiodic Aztec diamond 

April 01, 2015, 11:30 am  1:00 pm at Science Center 232 
NUMBER THEORY SEMINAR 
Yunqing Tang (HARVARD UNIVERSITY) 
Algebraic solutions of differential equations over the projective line minus three points 

April 01, 2015, 3:00 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Kevin Pilgrim (INDIANA UNIVERSITY) 
On the classification of critically fixed rational maps 

April 01, 2015, 4:00  5:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Washington Taylor (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
Classifying elliptic CalabiYau threefolds and fourfolds, and MordellWeil groups from the physics of Ftheory 

March 31, 2015, 4:15 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Cagatay Kutluhan (SUNY AT BUFFALO) 
A Heegaard Floer analogue of algebraic torsion 

March 27, 2015, 3:30  4:30 PM at Science Center 507 
THURSDAY SEMINAR 
Marc Hoyois (MIT) 
Morelâs A^1homotopical classification of vector bundles, part II 

March 26, 2015, 3:30  5:30 pm at Science Center Hall E 
SPECIAL DIFFERENTIAL GEOMETRY SEMINAR 
Joergen Andersen (AARHUS UNIVERSITY) 
Basics of Geometric Quantization and moduli spaces of flat connections 

March 25, 2015, 2:00 PM at Science Center 530 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Peter Qian (UNIVERSITY OF WISCONSIN, MADISON) 
Some Statistical Aspects of Uncertainty Quantification 

March 25, 2015, 4:00 PM at Science Center Hall A 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Alan Hammond (UC BERKELEY) 
KPZ Line Ensemble: a marriage of integrability and probability 

March 25, 2015, 11:30 am  1:00 pm at Science Center 232 
NUMBER THEORY SEMINAR 
Brian Conrad (STANFORD UNIVERSITY) 
A Lefschetz Principle in nonarchimedean geometry 

March 25, 2015, 3:00 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Adam Epstein (UNIVERSITY OF WARWICK) 
Generalizing Douady's Magic Formula 

March 25, 2015, 4:00  5:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Laura Schaposnik (UNIVERSITY OF ILLINOIS AT URBANACHAMPAIGN) 
Higgs bundles, spectral data, and applications 

March 24, 2015, 4:15 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Jesus MartinezGarcia (JOHNS HOPKINS) 
On the moduli space of cubic surfaces and their anticanonical divisors 

March 24, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS PHYSICAL MATHEMATICS SEMINAR 
An Huang (HARVARD UNIVERSITY) 
Chain integral solutions to GKZ system. 

March 23, 2015, 12:00  2:00 PM at Science Center 232 
BASIC NOTIONS SEMINAR 
Brian Conrad (STANFORD UNIVERSITY) 
The arithmetic Lefschetz Principle 

March 23, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Yuri Bakhtin (COURANT INSTITUTE) 
Burgers equation with random forcing 

March 18, 2015, 11:30 am  1:00 pm at Science Center 530 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Jingyu Zhao (COLUMBIA UNIVERSITY) 
Periodic Symplectic Cohomologies 

March 13, 2015, 3:30 PM at Science Center 507 
INFORMAL COMBINATORICS SEMINAR 
Anand Louis (PRINCETON UNIVERSITY) 
Hypergraph Heat Operators and Applications 

March 13, 2015, 1:00  2:00 PM at Science Center 530 
THURSDAY SEMINAR 
Jeremy Hahn (HARVARD UNIVERSITY) 
Wilson spaces as atomic even spaces 

March 12, 2015, 3:30  5:30 pm at Science Center Hall E 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Sam Taylor (YALE UNIVERSITY) 
Hyperbolic extensions of free groups 

March 11, 2015, 04:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Shrenik Shah (COLUMBIA UNIVERSITY) 
Some strong twisted base changes for unitary similitude groups 

March 11, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Ankur Moitra (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
Tensor Prediction, Rademacher Complexity and Random 3XOR 

March 11, 2015, 11:30 am  1:00 pm at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Yan Guo (BROWN UNIVERSITY  DIVISION OF APPLIED MATHEMATICS) 
Absence of shocks in EulerMaxwell system for twofluid models in plasma 

March 11, 2015, 4:00 PM at Science Center Hall A 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Klaus Hulek (LEIBNIZ UNIVERSITY HANNOVER) 
Stable cohomology of compactifications of Ag 

March 10, 2015, 3:00 PM at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Liang Kong (UNIVERSITY OF NEW HAMPSHIRE AND TSINGHUA UNIVERSITY) 
Lattice models for 2+1D topological orders with gapped boundaries 

March 10, 2015, 2:00  3:30 PM at Science Center 530 
DIFFERENTIAL GEOMETRY SEMINAR 
Daniel CristofaroGardiner (HARVARD UNIVERSITY) 
Symplectic embeddings and lattice point enumeration 

March 10, 2015, 4:15 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS PHYSICAL MATHEMATICS SEMINAR 
Peng Gao (HARVARD UNIVERSITY MATHEMATICS DEPT) 
An example of a nonreductive GIT quotient 

March 09, 2015, 12:00  2:00 PM at Science Center 232 
BASIC NOTIONS SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Representation Theory Between Characteristic Zero and Characteristic p 

March 09, 2015, 3:00 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Laura Starkston (UNIVERSITY OF TEXAS  AUSTIN) 
Symplectic fillings of Seifert fibered spaces 

March 06, 2015, 3:30  4:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Nikita Nekrasov (CENTER FOR GEOMETRY & PHYSICS, STONY BROOK) 
Crossed instantons and qqcharacters 

March 06, 2015, 4:00 PM at Science Center Hall A 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Constructing algebraic vector bundles on projective spaces 

March 05, 2015, 3:30  5:30 pm at Science Center Hall E 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Ivan Corwin (CLAY INSTITUTE, COLUMBIA, INSTITUTE HENRI POINCARE, PACKARD FOUNDATION) 
StochasticÂ quantumÂ integrableÂ systems 

March 04, 2015, 11:30 am  1:00 pm at Science Center 232 
NUMBER THEORY SEMINAR 
Alexander Stasinski (DURHAM UNIVERSITY) 
Representation zeta functions of simple Lie groups and reductive groups over local rings 

March 04, 2015, 3:00 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Alden Walker (UNIVERSITY OF CHICAGO) 
Circle actions on the boundary of Schottky space 

March 04, 2015, 4:00  5:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Baris Coskunuzer (MIT & KOC UNIVERSITY) 
Minimal Surfaces with Arbitrary Topology in H^2xR 

March 03, 2015, 4:15 PM at Science Center 507 
MATHEMATICAL PHYSICS SEMINAR 
Liming Ge (UNIVERSITY OF NEW HAMPSHIRE) 
Entropy Occurs in Number Theory 

March 03, 2015, 2:00 PM at Laboratory for Integrated Science (LISE), 15 Oxford St, Room 303 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS PHYSICAL MATHEMATICS SEMINAR 
Guglielmo Lockhart (HARVARD UNIVERSITY PHYSICS) 
Selfdual strings of 6d SCFTs and local elliptic CYs 

March 02, 2015, 12:00  2:00 PM at Science Center 232 
BASIC NOTIONS SEMINAR 
Michael Rapoport (UNIVERSITY OF BONN) 
On accessible padic period domains 

March 02, 2015, 3:00 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Daniel HalpernLeistner (COLUMBIA UNIVERSITY) 
Morselike stratifications of moduli problems in algebraic geometry 

February 27, 2015, 3:30  4:30 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Noureddine El Karoui (UC BERKELEY) 
On highdimensional robust regression and inefficiency of maximum likelihood methods 

February 26, 2015, 12:50  1:50 pm at Science Center 232 
THURSDAY SEMINAR 
Marc Hoyois (MIT) 
Morelâs A^1homotopical classification of vector bundles, part I 

February 26, 2015, 3:30  5:30 pm at Science Center Hall E 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Melanie Matchett Wood (UNIVERSITY OF WISCONSIN, MADISON) 
Random groups in number theory and random integral matrices 

February 26, 2015, 4:30 PM at Science Center Hall A 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
ChiWang Shu (BROWN UNIVERSITY  DIVISION OF APPLIED MATHEMATICS) 
Discontinuous Galerkin method for hyperbolic equations with deltasingularities 

February 25, 2015, 4:00 PM at Science Center Hall A 
NUMBER THEORY SEMINAR 
Noam Elkies (HARVARD UNIVERSITY) 
How many points can a genus3 curve have? 

February 25, 2015, 3:00 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Alex Kontorovich (RUTGERS UNIVERSITY) 
Equidistribution of Shears and Applications 

February 25, 2015, 4:00  5:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Nike Sun (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
The exact kSAT threshold for large k. 

February 25, 2015, 11:30 am  1:00 pm at Science Center 232 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Matthew Grimes (CU  BOULDER) 
Universal moduli spaces of vector bundles and the logminimal model program on the moduli of curves 

February 24, 2015, 3:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Juergen Jost (MAX PLANCK INSTITUTE) 
Super Riemann surfaces, metrics, and the gravitino 

February 24, 2015, 4:15 PM at Science Center 507 
HARVARD LOGIC SEMINAR 
Will Boney (UNIVERSITY OF ILLINOIS AT CHICAGO) 
Tameness in Abstract Elementary Classes 

February 23, 2015, 4:30  5:30 PM at Logic Center, 2 Arrow St, Rm 420 
BASIC NOTIONS SEMINAR 
Daniel CristofaroGardiner (HARVARD UNIVERSITY) 
Length and volume on contact threemanifolds 

February 23, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS PHYSICAL MATHEMATICS SEMINAR 
Baosen Wu (HARVARD UNIVERSITY) 
New vector bundles in heterotic string compactification 

February 23, 2015, 12:00  2:00 PM at Science Center 232 
GAUGE THEORY, TOPOLOGY AND SYMPLECTIC GEOMETRY SEMINAR 
Alexandra Kjuchukova (UNIVERSITY OF PENNSYLVANIA) 
On the classification of branched covers of fourmanifolds 

February 20, 2015, 3:30  4:30 pm at Science Center 507 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Matthew Kahle (OHIO STATE UNIVERSITY) 
Recent Progress in stochastic topology 

February 19, 2015, 4:30 PM at Science Center Hall A 
THURSDAY SEMINAR 
Clark Barwick (MIT) 
The BassQuillen Conjecture 

February 19, 2015, 3:30  5:30 PM at Science Center Hall E 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Maksym Radziwill (RUTGERS UNIVERSITY) 
A new proof of Selberg's central limit theorem 

February 18, 2015, 11:30 am  1:00 pm at Science Center 232 
NUMBER THEORY SEMINAR 
Preston Wake (UNIVERSITY OF CHICAGO) 
Eisenstein Hecke algebras and pseudorepresentations 

February 18, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Avi Loeb (HARVARD ASTRONOMY DEPARTMENT / INSTITUTE FOR THEORY & COMPUTATION) 
A Closer Look at Black Holes 

February 18, 2015, 4:15 PM at Science Center Hall A 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Dylan Thurston (INDIANA UNIVERSITY) 
Rubber Bands and Rational Maps 

February 18, 2015, 4:00  5:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
SiuCheong Lau (HARVARD UNIVERSITY) 
A constructive approach to homological mirror symmetry 

February 17, 2015, 4:15  5:30 pm at Science Center 507 
BASIC NOTIONS SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Representation Theory Between Characteristic Zero and Characteristic p 

February 16, 2015, 3:00 PM at Science Center 507 
THURSDAY SEMINAR 
Krishanu Sankar (HARVARD UNIVERSITY) 
Serre's problem on projective modules over a polynomial ring 

February 12, 2015, 3:30  5:30 pm at Science Center Hall E 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Jacob Fox (MIT) 
Combinatorics of Permutations 

February 11, 2015, 11:30 am  1:00 pm at Science Center 530 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
John H. Hubbard (CORNELL UNIVERSITY) 
On complex HĂ©non Maps 

February 11, 2015, 4:00  5:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Abhinav Kumar (MIT/STONY BROOK) 
Moduli spaces of reducible Jacobians of genus 2 curves via Hilbert modular surfaces of square discriminant 

February 11, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
Richard Freeman (HARVARD ECONOMICS) 
Understanding the world of knowledge through Big Data networks and graph theory 

February 11, 2015, 4:15 PM at Science Center Hall A 
DIFFERENTIAL GEOMETRY SEMINAR 
Valentino Tosatti (NORTHWESTERN UNIVERSITY) 
Degenerations and collapsing of Ricciflat CalabiYau manifolds 

February 10, 2015, 4:15  5:30 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Jesus MartinezGarcia (JOHNS HOPKINS) 
On the moduli space of cubic surfaces and their anticanonical divisors 

February 10, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS PHYSICAL MATHEMATICS SEMINAR 
Maria Rodriguez (HARVARD UNIVERSITY PHYSICS) 
Exact Solutions for Extreme Black Hole Magnetospheres 

February 09, 2015, 12:00  2:00 PM at Science Center 232 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Elisenda Grigsby (BOSTON COLLEGE) 
(Sutured) Khovanov homology and representation theory 

February 06, 2015, 3:30 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Algebraic vector bundles, introduction and overview 

February 05, 2015, 4:00  6:00 PM at Science Center 507 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Laure SaintRaymond (ENS PARIS / HARVARD) 
From Newton's dynamics to the heat equation 

February 05, 2015, 4:30 PM at Science Center Hall A 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Ronen Mukamel (UNIVERSITY OF CHICAGO) 
Kronecker's congruence and TeichmĂŒller curves in positive characteristic 

February 04, 2015, 4:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Janosch Ortmann (UNIVERSITY OF TORONTO) 
Polymer models, particle systems and the KPZ universitality class 

February 04, 2015, 11:30 am  1:00 pm at Science Center 232 
NUMBER THEORY SEMINAR 
Bjorn Poonen (MIT) 
An adelic approach to counting Selmer group elements 

February 04, 2015, 3:00  4:00 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS COLLOQUIUM 
HorngTzer Yau (HARVARD UNIVERSITY) 
Random matrices, Dyson Brownian Motion and Quantum Unique Ergodicity 

February 04, 2015, 4:00 PM at Science Center Hall A 
DIFFERENTIAL GEOMETRY SEMINAR 
George Daskalopoulos (BROWN UNIVERSITY) 
Rigidities of Teichmueller spaceÂ 

February 03, 2015, 4:15  5:30 pm at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS PHYSICAL MATHEMATICS SEMINAR 
Peng Zhao (SIMONS CENTER FOR GEOMETRY & PHYSICS, STONY BROOK) 
Cluster algebras from dualities of 2d N=(2,2) quiver gauge theories 

February 02, 2015, 12:00  2:00 PM at Science Center 232 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
R. Inanc Baykur (UNIVERSITY OF MASSACHUSETTS AMHERST) 
Multisections of Lefschetz fibrations and topology of symplectic 4manifolds 

January 30, 2015, 3:30 PM at Science Center 507 
**CANCELLED** NUMBER THEORY SEMINAR 
Alexander Lubotzky (HEBREW UNIVERSITY) 
From Ramanujan graphs to Ramanujan complexes 

January 28, 2015, 3:00 PM at Science Center 507 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Maksym Radziwill (RUTGERS UNIVERSITY) 
A new proof of Selberg's central limit theorem 

January 28, 2015, 12:00  1:00 PM at Science Center 232 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR **CANCELLED** 