




COMPUTING WITH MODULAR FORMS SEMINAR 
Robert Pollack (BOSTON UNIVERSITY) 
padic Lfunctions of elliptic curves 

October 05, 2004, 10:00Am  11:30Am at Science Center, Room 116 
NUMBER THEORY SEMINER 
Robert Pollack (BOSTON UNIVERSITY) 
``Overconvergent modular symbols, padic Lfunctions and StarkHeegner points'' 

October 12, 2005, 3:00pm at Science Center, Room 507 
MODULAR CURVES LUNCH/SEMINAR 
William Stein (HARVARD) 
Visible Evidence for the Birch and SwinnertonDyer Conjecture for Rank 0 Modular Abelian Varieties 

February 04, 2002, 2:003:00 at Sci 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Gang Liu (UNIVERSITY OF CALIFORNIA  LA) 
Virtual Moduli Cycle in Contact Geometry 

April 10, 2001, 1:30pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
ChongQing Cheng (NANJING UNIVERSITY  VISITING HARVARD UNIVERSITY) 
Variational construction of diffusion orbits in 4d symplectic maps 

December 17, 2002, 1:30Pm at 507 Science Center 
HARVARD SEMINAR ON EDUCATION IN MATHEMATICAL SCIENCES 
Michael Martin (BOSTON COLLEGE AND TIMSS CODIRECTOR) 
Using Timss Mathematics and Science Results to Inform Educational Policty 

November 28, 2001, 4:00 at 317 Science Center 
NUMBER THEORY SEMINAR 
Vinayak Vatsal (UNIVERSITY OF BRITISH COLUMBIA) 
Unramified covers of X_{0}(N) 

April 17, 2002, 4:30 p.m. at Science Center 507 
HARVARD SEMINAR ON EDUCATION IN MATHEMATICAL SCIENCES 
Jack Bookman (DUKE UNIVERSITY) 
Understanding How Students Learn Using WebBased Modules." 

May 01, 2001, 1:302:30 at 317 Science Center 
COMPUTING WITH MODULAR FORMS SEMINAR 
Noam Elkies (HARVARD UNIVERSITY) 
Two examples of using generating functions to compute with modular forms for $\Gamma(1)$ 

October 07, 2004, 10:00Am  11:30Am at Science Center, Room 116 
SEMINAR ON TWISTED KTHEORY AND REPRESENTATIONS OF LOOP GROUPS 
Dennis Gaitsgory (HARVARD UNIVERSITY) 
Twisted KTheory and Representations of Loop groups 

April 20, 2006, 34:30pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Dror BarNatan (UNIVERSITY OF TORONTO) 
Trace Groups, Skein Modules and My Problems with KhovanovRozansky 

October 29, 2004, 3:30  4:30 Pm at Science Center, Room 309 
JOINT MATHEMATICS COLLOQUIUM 
Gopal Prasad (UNIVERSITY OF MICHIGAN) 
Towards classification of admissible representations of reductive padic groups via their restriction to compactopen subgroups 

April 11, 2002, 4:305:30 Pm at Science Center, Hall D 
SPECIAL SEMINAR 
Kevin Costello (IMPERIAL COLLEGE, LONDON) 
Topological conformal field theories from CalabiYau categories 

November 10, 2004, 2:00  3:00Pm at Science Center, Room 530 
DIFFERENTIAL GEOMETRY SEMINAR 
Hubert Bray (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
To be announced soon. 

November 26, 2002, 1:30Pm at Science Center room 507 
NUMBER THEORY SEMINAR 
Florian Herzig (HARVARD UNIVERSITY) 
The weight in Serre's conjecture for Gl__{3} 

April 20, 2005, 3:004:00pm at Science Center, Room 507 
THE GALOIS AND FUNDAMENTAL GROUPS SEMINAR 
A.B. Goncharov (BROWN UNIVERSITY) 
The multiple zeta motives and geometry of modular varieties Ii 

April 24, 2002, 2:00 Pm at Science Center, Room 507 
GALOIS AND FUNDAMENTAL GROUPS SEMINAR 
A.B. Goncharov (BROWN UNIVERSITY) 
The multiple zeta motives and geometry of modular varieties 

April 17, 2002, 2:003:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Pierrette CassouNogues (UNIVERSITY OF BORDEAUX) 
The motivic Zeta function for quasi ordinary singularities. 

April 16, 2003, 3:004:00 Pm at Science Center, Room 507 
DIIFFERENTIAL GEOMETRY SEMINAR 
Nikolai Nadirashvili (THE UNIVERSITY OF CHICAGO) 
The local embedding problem for surfaces 

November 19, 2002, 3:00Pm at 507 Science Center 
DIFFERENTIAL GEOMETRY SEMINAR 
Mihaela Iftime (UNIVERSITY OF MASSACHUSETTS) 
The gravitational field of a dust rotating cylinder 

November 25, 2003, 1:30 p.m. at Harvard University, Science Center Room 507 
INFORMAL ALGEBRAIC GEOMETRY SEMINAR 
Mihnea Popa (HARVARD) 
The geometry of moduli spaces of vector bundles on curves Ii 

April 17, 2003, 3:00 Pm at Science Center, Hall E 
INFORMAL ALGEBRAIC GEOMETRY 
Mihnea Popa (HARVARD) 
The geometry of moduli spaces of vector bundles on curves I 

April 10, 2003, 3:00 Pm at Science Center, Room 507 
MATHEMATICS EDUCATION SPEAKER SERIES 
Igor Verner (TECHNIONISRAEL INSTITUTE OF TECHNOLOGY) 
The effect of Integrating Applications in the Technion Calculus Course 

November 29, 2005, 3PM at Science Center 705 
ALGEBRAIC GEOMETRY SEMINAR 
Richard Hain (HARVARD/DUKE) 
The cycle CC^{}, positivity of normal functions, and Moriwaki's inequality 

October 15, 2002, 3:004:00 Pm at Science Center, Room 507 
JACOBI DIAGRAMS AND FINITETYPE INVARIANTS 
Dylan Thurston (HARVARD) 
The Universal Lie Algebra 

April 10, 2001, 3:004:00 Pm at Science Center, Room 310 
BASIC NOTIONS SEMINAR 
ShingTung Yau (HARVARD UNIVERSITY) 
The Spectrum of a Riemann Surface 

November 18, 2002, 34 Pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Oliver Schnuerer (HARVARD UNIVRESITY) 
The Second Boundary Value Problem for Flow Equations 

February 05, 2002, 1:30pm at Math Department, Room 507 
BASIC NOTIONS SEMINAR 
Irene Minder and William Stein (HARVARD UNIVERSITY) 
The Mathematics Job Search 

September 27, 2004, 3:00  4:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Albert Chau (HARVARD UNIVERSITY) 
The KahlerRicci Flow And The Uniformization Of Complete NonCompact Kahler Manifolds With NonNegative Bisectional Curvature 

September 27, 2004, 12:00Pm  1:00Pm at Science Center, Room 221 
DIFFERENTIAL GEOMETRY SEMINAR 
Ben Weinkove (HARVARD UNIVERSITY) 
The JFlow, the mabuchi energy and canonical metrics kahler geometry 

October 04, 2004, 12:00Pm  1:00Pm at Science Center, Room 221 
MODULAR CURVES SEMINAR 
William Stein (HARVARD) 
The Arithmetic of J1(p) 

October 16, 2003, 3:00 Pm at Science Center, Room 507 
HARVARD SEMINAR ON EDUCATION IN MATHEMATICAL SCIENCES 
Paul Blanchard and Haynes Miller (BU RSP MIT) 
Teaching and Learning about Differential Equations: A Panel. 

April 17, 2001, 1:302:30 at 317 Science Center 
MODULAR CURVES SEMINAR 
Peter Clark (HARVARD) 
TateTateTate Stuff: A Survey of the PeriodIndex Problem 

November 19, 2002, 4:305:30 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Paul Seidel (UNIVERSITY OF CHICAGO) 
Symplectic topology and contractible algebraic surfaces 

November 12, 2004, 3:30  4:30 Pm at Science Center, Room 309 
HARVARD, BRANDEIS, M.I.T., NORTHEASTERN COLLOQUIUM 
Jean Bourgain (IAS) 
Sumproduct theorems and exponential sum estimates 

November 04, 2004, 4:30 Pm at Science Center, Lecture Hall D 
HARVARD SEMINAR ON EDUCATION IN MATHEMATICAL SCIENCES 
John D. Emerson and Frederick Hosteller (MIDDLEBURY COLLEGE RSP. HARVARD UNIVERSITY) 
Students can Help Improve College Teaching: A metastudy of student ratings of courses 

April 24, 2001, 1:302:30 at 317 Science Center 
NUMBER THEORY SEMINAR 
Samit Dasgupta (HARVARD UNIVERSITY) 
StarkHeegner points on modular Jacobians 

December 08, 2004, 3:00  4:00 Pm at Science Center, Room 507 
ALGEBRAIC GEOMETRY SEMINAR 
Michael Thaddeus (COLUMBIA UNIVERSITY) 
Stable Maps To A Loop Group 

April 22, 2003, 3:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOOGY SEMINAR 
Weiyang Qiu (HARVARD) 
Special Lagrangian Submanifolds with Boundary and Lagrangian Free Boundary Problem. 

February 07, 2003, 3:30 Pm at Science Center, Room 309 
NUMBER THEORY SEMINAR 
MarieFrance Vigneras (PARIS) 
Some questions related to the padic Langlands program 

November 03, 2004, 3:00  4:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Alberto Bressan (SISSA) 
Some open problems in the theory of conservation laws. 

November 19, 2002, 1:30Pm at Science Center room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Bernard Julia (ECOLE NORMALE SUPERIOR) 
Some applications of non compact real Lie algebras (eventually generalized KacMoodyBorcherds algebras) to theoretical physics Mtheory, superstrings, supergravities and gravity 

December 10, 2004, 3:30Pm  4:30Pm at Science Center, Room 309 
DIFFERENTIAL GEOMETRY SEMINAR 
Mihalis Dafermos (MIT) 
Some Recent Progress on the Strong Cosmic CensorshipConjecture in General Relativity 

November 20, 2001, 1:30 P.M at Science Center Room 507 
SEMINAR ON COMPLEX GEOMETRY AND ANALYSIS 
YumTong Siu (HARVARD UNIVERSITY) 
Smooth Leviflat submanifolds in compact Hermitian symmetric spaces (Continuation) 

November 03, 2003, 4:15 p.m. at Harvard University, Science Center, Room 507 
SEVERAL COMPLEX VARIABLES 
YT Siu (HARVARD) 
Series of lectures by YumTong Siu 

May 02, 2002, 2:15Pm at Science Center, Room 507 
SEVERAL COMPLEX VARIBLES SEMINAR 
YumTong Siu (HARVARD) 
Series of lectures by YT Siu 

April 25, 2002, 3:30 Pm at Science Center, Room 507 
SEVERAL COMPLEX VARIABLES SEMINAR 
YumTong Siu (HARVARD) 
Series of Lectures by YumTong Siu (Continuation) 

April 18, 2002, 2:15 Pm at Science Center, Room 507 
HARVARD SEMINAR ON EDUCATION IN MATHEMATICAL SCIENCES 
Solomon Friedberg (BOSTON COLLEGE) 
Seeking Points: Case Discussion on Undergraduate Teaching and Learning 

April 10, 2001, 1:302:30 at 317 Science Center 
CURRENT DEVELOPEMENTS IN MATHEMATICS CONFERENCE 
Daniel Freed, Gunar Carlsson, Elliott Lieb, ShouWu Zhang, Wing Wong (DIFFERENT INSTITUTIONS) 
See seperate program 

November 1617, 2001, Friday 2:00pm, Saturday 8:30am at Harvard University, Science Center Lecture Hall "C" 
MODULAR CURVES SEMINAR 
Pete Clark (HARVARD) 
Searching for Quaternionic Modular Forms 

October 15, 2001, 2:003:00 at Science Center 507 
NUMBER THEORY SEMINAR 
Alan Lauder (OXFORD UNIVERSITY) 
Rigid Cohomology and Padic Point Counting 

April 7, 2004, 2:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Steven Rosenberg (BOSTON UNIVERSITY) 
Ricci and Scalar Curvature in Infinite Dimensions 

April 16, 2002, 1:30 P.M. at Science Center, Room 507 
MODUALAR CURVES SEMINAR 
Jonathan Hanke (PRINCETON UNIVERSITY) 
Representing numbers by (ternary) quadratic forms 

March 18, 2003, 4:30 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
David Jerison (M.I.T.) 
Regularity of energyminimizing free boundaries 

December 06, 2004, 12:00Pm  1:00Pm at Science Center, Room 221 
DIFFERENTIAL GEOMETRY SEMINAR 
Daniel Allcock (HARVARD UNIVERSITY) 
Reflection Groups on the Cayley Hyperbolic Plane 

April 17, 2001, 1:30pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Laurent Fargues (PARIS) 
Realization of local Langlands correspondances in padic local moduli spaces 

October 20, 2004, 3:00  4:00 Pm at Science Center, Room 507 
ALGEBRAIC GEOMETRY SEMINAR 
Janos Kollar (PRINCETON UNIVERSITY) 
Rationally connected varieties over finite fields 

May 06, 2003, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Pete Clark (HARVARD) 
Rational Points on AtkinLehner Quotients of Shimura Curves 

April 30, 2003, 3:00 Pm at Science center, Room 507 
NUMBER THEORY SEMINAR 
Noam Elkies (HARVARD UNIVERSITY) 
Rank speculation 

April 13, 2005, 3:004:00pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Leonid Koralov (PRINCETON UNIVERSITY) 
Random Perturbations of 2dimensional Hamiltonian Flows 

November 13, 2001, 1:30 P.M. at Science Center Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Robbert Dijkgraaf (UNIVERSITY OF AMSTERDAM) 
Random Matrices and Calabi  Yau Manifolds 

December 12, 2002, 1:00Pm at 507 Science Center 
MATHEMATICS EDUCATION SPEAKER SERIES SEMINAR 
Aaron Weinberg (ITHACA COLLEGE) 
ProcessObject Frameworks and Mediating Metaphors 

December 19, 2005, 2 PM at SC 507 
QED WORKING SEMINAR 
HorngTzer Yau (HARVARD UNIVERSITY) 
Problems related to rigorous formulation of QED 

September 27, 2005, 11:301:00pm at Science Center, Room 530 
GEOMETRY SEMINAR 
Laura DeMarco (UNIVERSITY OF CHICAGO) 
Potential Theory and the Distribution of Algebraic Numbers 

April 7, 2004, 5:00  6:00 Pm at Science Center, Room 530 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Daniel Ruberman (BRANDEIS) 
Positive scalar curvature and diffeomorphisms of 4manifolds. 

October 05, 2001, 3:305:00 Pm at Science Center, Room 309 
DIFFERENTIAL GEOMETRY SEMINAR 
Simon Brendle (PRINCETON UNIVERSITY) 
Portofolio optimization under partial observation 

November 29, 2004, 3:00  4:00 Pm at Science Center, Room 309 
DIFFERENTIAL GEOMETRY SEMINAR 
Tom Graber (HARVARD UNIVERSITY) 
OpenString GromovWitten Invariants 

October 16, 2001, 1:30pm at Science Center Room 507 
NUMBER THEORY SEMINAR 
Dick Gross (HARVARD UNIVERSITY) 
One symplectic root numbers, and their interpretations 

November 17, 2004, 3:00  4:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Matthew Emerton (UNIVERSITY OF CHICAGO) 
On the padic interpolation of systems of Hecke eigenvalues and Galois representations 

May 23, 2001, 34 pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Sijue Wu (UNIVERSITY OF MARYLAND) 
On the motion of waterwaves with and without a variable bottom 

November 06, 2001, 1:30 P.M at Science Center Room 507 
BASIC NOTIONS SEMINAR 
Sijue Wu (UNIVERISTY OF MARYLAND/HARVARD) 
On the motion of the interface between two fluids 

November 25, 2002, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Tetsushi Ito (KYOTO) 
On the cohomology of varieties over local fields with maximal unipotent monodromy 

November 10, 2004, 3:00  4:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Emma Carberry (MIT) 
On the Existence of Minimal Tori in S^3 of Arbitrary Spectral Genus 

April 23, 2002, 1:30 Pm at Science Center, room 507 
NUMBER THEORY SEMINAR 
Heisuke Hironaka (YAMAGUCHI UNIVERSITY) 
On resolution of singularities in positive characteristics 

April 18, 2001, 3:004:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
James Sparks (HARVARD UNIVERSITY) 
On a new class of sasakieinstein manifolds 

October 25, 2004, 12:00Pm  1:00Pm at Science Center, Room 221 
COLLOQUIUM 
Michael Huber (UNIVERSITY OF TUEBINGEN, GERMANY) 
On Highly Symmetric Combinatorial Designs 

September 23, 2004, 4:30 Pm at Science Center, Lecture Hall A 
BASIC NOTIONS SEMINAR 
Noam D. Elkies (HARVARD) 
Np, P, and primality: Prologue to "Primes is in P" 

October 28, 2002, 3:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Rob Kusner (UNIVERSITY OF MASSACHUSETTS) 
Nondegeneracy and Moduli Spaces of Constant Mean Curvature Surfaces 

December 03, 2004, 3:30  4:30 Pm at Science Center, Room 309 
JOINT COLLOQUIUM 
David Fisher (CUNY/LEHMAN COLLEGE) 
Nonlinear representation theory of finitely generated groups 

May 01, 2003, 4:305:30 Pm at Science Center, Hall D 
GAUGE THEORY AND TOOLOGY SEMINAR 
Semyon Alesker (TEL AVIV UNIVERSITY) 
Noncommutative determinants and MongeAmpere equations 

May 02, 2003, 3:30 Pm at Science Center, Room 309 
COLLOQUIUM 
Dan Boneh (STANFORD UNIVERSITY) 
New Tools in Cryptography From Algebraic Geometry 

November 21, 2002, 4:30 Pm at Science Center, Hall D 
DIFFERENTIAL GEOMETRY SEMINAR 
Daniel Pollack (UNIVERSITY OF WASHINGTON/MIT) 
New Solutions of the Einstein Constraint Equations in General Relativity 

April 09, 2002, 1:30 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Lawrence Man Hou Ein (UNIVERSITY OF ILLINOIS AT CHICAGO  VISITING HARVARD UNIVERSITY) 
Multiplier ideals and local algebraic geometry 

December 10, 2002, 1:30Pm at Science Center room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Jonathan Weitsman (HARVARD) 
Morse Theory and the Topology of Hamiltonian Loop Group Spaces 

March 12, 2002, 1:30 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Elena Mantovan (BERKELEY) 
Moduli spaces of BarsottiTate groups with relation to the local Langlands correspondences. 

October 06, 2004, 3:00  4:00 Pm at Science Center, Room 507 
ALGEBRAIC GEOMETRY SEMINAR 
Lisa Jeffrey (UNIVERSITY OF TORONTO) 
Moduli spaces and symplectic geometry 

May 20, 2003, 3:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
JiunCheng Chen (HARVARD UNIVERSITY) 
Moduli Space, Derived Categories And The Minimal Model Program 

November 12, 2002, 1:30Pm at Hu  Science Center room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Hee Jung Kim (BRANDEIS UNIVERSITY) 
Modifying Surfaces in 4manifolds by Twist Spinning 

February 11, 2005, 3:30  4:30 Pm at Science Center, Room 309 
THE ELLIPTIC CURVES AND MODULAR FORMS SEMINAR 
Frank Calegari (HARVARD UNIVERSITY) 
Mod p representations on elliptic curves 

September 27, 2004, 2:00  3:00Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Curt McMullen (HARVARD UNIVERSITY) 
Minkowski's conjecture, wellrounded lattices and topological dimension 

September 29, 2004, 3:00  4:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Kawamata Yujiro (UNIVERSITY OF TOKYO) 
Minimal Models and Derived Categories 

April 30, 2002, 1:30 P.M. at Science center, Room 507 
THE BASIC NOTIONS SEMINAR 
YumTong Siu (HARVARD UNIVERSITY) 
Methods of $\bar\partial$ Estimates in Algebraic Geometry 

February 23, 2004, 3:00pm at Sc 507 
MATHEMATICS EDUCATION SEMINAR 
Igor Verner (TECHNION  ISRAEL INSTITUTE OF TECHNOLOGY) 
Mathematics in Architecture Education: From Context Problems to Design Tasks 

December 13, 2005, 34pm at Science Center, Room 705 
JOINT MATHEMATICS COLLOQUIUM 
David Mumford (BROWN UNIVERSITY) 
Mathematics and vision 

October 25, 2001, 4:305:30 Pm at Science Center, Hall D 
DIFFERENTIAL GEOMETRY SEMINAR 
Sergei Gukov (HARVARD UNIVERSITY, PHYSICS DEPARTMENT) 
Manifolds of G2 Holonomy, Dynamical Systems, and Quantum Field Theory 

October 02, 2001, 1:30pm at Science Center, room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Stavros Garoufalidis (GEORGIA TECH) 
Mtheory and 3dimensional topology 

November 08, 2002, 3:30 Pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
David Gay (UNIVERSITY OF QUEBEC, MONTREAL) 
Locally toric nearsymplectic 4manifolds 

October 15, 2004, 3:30  4:30 Pm at Science Center, Room 309 
INFORMAL ALGEBRAIC GEOMETRY SEMINAR 
Eduardo Esteves () 
Limit linear series and Weierstrass points (conclusion) 

May 02, 2002, 3:30 Pm at Science Center, Room 507 
INFORMAL ALGEBRAIC GEOMETRY SEMINAR 
Eduardo Esteves () 
Limit linear series and Weierstrass points 

April 11, 2002, 3:30 Pm at Science Center, Room 507 
SEMINAR ON EDUCATION IN THE MATHEMATICAL SCIENCES 
Daniel Goroff (HARVARD UNIVERSITY) 
Lessons and NonLessons Concerning Japanese Mathematics Education The case of the Famous Third International Study Tapes 

October 31, 2001, Wednesday, 4:00 Pm at 317 Science Center 
SERIES OF LECTURES BY DAVID GABAI AND VALENTIN POENARU 
David Gabai (CALTECH) 
Lecture1. 

April 18, 2001, 1:00 Pm at Science Center, Room 310 
SERIES OF LECTURES BY DAVID GABAI AND VALENTIN POENARU 
Valentin Poenaru (UNIVERSITE PARIS SUD) 
Lecture 4. "Discussion" 

April 20, 2001, 11:00 Am at Science Center, Room 101b 
SERIES OF LECTURES BY DAVID GABAI AND VALENTIN POENARU 
Valentin Poenaru (UNIVESITE PARIS SUD) 
Lecture 3. 

April 19, 2001, 2:30 Pm at Science Center,Room 103b 
SERIES OF LECTURES BY DAVID GABAI AND VALENTIN POENARU 
David Gabai (CALTECH) 
Lecture 2. "The equivariant representation Theorem for M3 after V.Poenaru" 

April 19, 2001, 1:30 Pm at Science Center, Room 101b 
SPECIAL SEMINAR 
Dylan Thurston (HARVARD) 
Lecture 2 : "Knot invariants by counting configurations 

April 17, 2001, 3:00 Pm at 65 Mt Auburn St 
NUMBER THEORY SEMINAR 
Helna Verrill (HANNOVER UNIVERSITY, GERMANY) 
Lattices of modular symbols for Gamma 0(N) with weight k > 2 

October 03, 2001, 3:00 Pm at Science Center, Room 507 
HARVARD, BRANDEIS, M.I.T., NORTHEASTERN COLLOQUIUM 
Dror BarNatan (UNIVERSITY OF TORONTO) 
Khovanov Homology for Tangles and Cobordisms 

October 28, 2004, 4:30 Pm at Science Center, Lecture Hall D 
THE ELLIPTIC CURVES AND MODULAR FORMS SEMINAR 
Ronald VanLuijk (UC BERKELEY) 
K3 surfaces with Picard number one and infinitely many rational points 

February 09, 2005, 1:00Pm  2:00Pm at Science Center, Room 507 
SEMINAR ON EDUCATION IN THE MATHEMATICAL SCIENCES 
Jane Gorman (EDUCATION DEVELOPMENT CENTER, INC) 
Japanese Lesson Study: Polishing the Stone. 

December 5, 2001, 4:00 Pm at 317 Science Center 
THE ELLIPTIC CURVES AND MODULAR FORMS SEMINAR 
Frank Calegari (HARVARD UNIVERSITY) 
Irrationality of certain padic periods for small p 

November 10, 2004, 1:00Pm  2:00Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Phillippe CassouNogues (UNIV. OF BORDEAUX) 
Invariants of symmetric bundles 

April 16, 2003, 4:30  5:30 Pm at Science Center, Room 507 
MOTIVIC HOMOTOPY THEORY SEMINAR 
Michael Hopkins (HARVARD UNIVERSITY) 
Introduction to Morel's work on motivic homotopy groups 

September 23, 2004, 3:00  5:00Pm at Science Center, Room 507 
SEMINAR ON EDUCATION IN THE MATHEMATICAL SCIENCES 
Daniel Chazan (MICHIGAN STATE UNIVERSITY) 
Identifying Values and Commitments in a time of reform: Video as an Expressive Medium in Mathematics Education. 

November 14, 2001, 4:00 Pm at 317 Science Center 
NUMBER THEORY SEMINAR 
Oliver Bultel (UNIVERSITY OF HEIDELBERG) 
Iadic monodromy of abelian varieties in characteristic p 

May 14, 2003, 3:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Stavros Garoufalidis (GEORGIA TECH) 
Holonomicity of the colored Jones function of a link in a homology sphere 

November 05, 2004, 3:30  4:30 Pm at Science Center, Room 309 
DIFFERENTIAL GEOMETRY SEMINAR 
Sergei Gukov (HARVARD UNIVERSITY) 
Hitchin' S Functionals And Unification Of Topological Strings 

November 09, 2004, 3:00Pm  4:00Pm at Science Center, Room 221 
SPECIAL NUMBER THEORY AND EXCEPTIONAL GROUPS SEMINAR 
Sergei Krutelevich (UNIVERSITY OF OTTAWA) 
Higher composition laws, exceptional groups, and Jordan algebras 

December 13, 2004, 2:00  3:00Pm at Science Center, Room 232 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Eaman Eftekhary (HARVARD UNIVERSITY) 
Heegaard Floer homology and gluing along torus boundaries 

February 18, 2005, 3:30  4:30 Pm at Science Center, Room 309 
BASIC NOTIONS SEMINAR 
Fan Chung () 
Guessing Secrets  from Erdos to Internet Algorithms 

December 10, 2001, 3:00 Pm at Science Center, Room 507 
JOINT MATHEMATICS COLLOQUIUM 
Rahul Pandharipande (PRINCETON UNIVERSITY) 
GromovWitten theory for target curves 

March 20, 2003, 4:30 Pm at Science Center, Hall D 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Tom Coates (HARVARD UNIVERSITY) 
GromovWitten theory and integrable systems 

October 08, 2004, 3:30  4:30 Pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Michael Usher (M.I.T.) 
Gromov Invariants via Symplectic Lefschetz Fibrations 

February 13, 2004, 3:30 at Science Center, Room 309 
DIFFERENTIAL GEOMETRY SEMINAR 
Joachim Krieger (HARVARD UNIVERSITY) 
Global Regularity of Wave Maps 

February 10, 2004, 1:303:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Nick Ramsey (HARVARD) 
Geometric Modular Forms of HalfIntegral Weight 

May 07, 2003, 3:00 Pm at Science Center, Room 507 
GALOIS AND FUNDAMENTAL GROUPS SEMINAR 
Romyar Sharifi (HARVARD) 
Generators of a Lie algebra associated to the projective line minus three points 

March 06, 2002, 2:003:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
YuRu Liu (HARVARD) 
Generalizations of the Turan and the ErdosKac Theorems 

April 23, 2003, 3:00 Pm at Science Center, Room 507 
JOINT COLLOQUIUM 
Manjul Bhargava (PRINCETON/HARVARD) 
Gauss composition and generalizations 

April 03, 2003, 4:305:30 Pm at Science Center, Hall D 
GALOIS ACTIONS ON FUNDAMENTAL GROUPS 
Romyar Sharifi (HARVARD) 
Galois actions on prol fundamental groups 

February 13, 2002, 2:003:00 Pm at Science Center, Room 507 
GALOIS AND FUNDAMENTAL GROUPS SEMINAR 
Romyar Sharifi (HARVARD) 
Galois actions on Fundamental Groups 

January 31, 2002, 2:003:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Conan Leung (UNIVERSITY OF MINNESOTA) 
G2 Geometry [Riemannian Geometry over normed algebras] 

November 01, 2002, 3:30 Pm at Science Center, Room 309 
DIFFERENTIAL GEOMETRY SEMINAR 
Tatiana Toro (HARVARD UNIVERSITY) 
Free boundary regularity for the Poisson kernel below the continuous threshold 

October 23, 2001, 1:30pm at Science Center Room 507 
THE MODULAR CURVES LUNCH/SEMINAR 
Marty Weissman (HARVARD UNIVERSITY) 
Fourier Coefficients for Gl(3) Automorphic Forms 

February 25, 2002, 2:003:00 at Sci 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Suhyoung Choi (SEOUL UNIVERSITY) 
Flat Real Projective and Affine Structures on Two and Three Manifolds 

December 04, 2001, 1:30pm at Science Center, Room 507 
THE ELLIPTIC CURVES AND MODULAR FORMS SEMINAR 
Noam Elkies (HARVARD UNIVERSITY) 
Elliptic curves with 3adic Galois representation surjective mod 3 but not mod 9 

December 01, 2004, 1:00Pm  2:00Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Frank Calegari (HARVARD UNIVERSITY) 
Eisenstein Deformation Rings 

September 22, 2004, 3:00  4:00 Pm at Science Center, Room 507 
DYNAMICS AND GEOMETRY SEMINAR 
Julio Rebelo (PUCRIO) 
Dynamics of meromorphic vector fields and complex surfaces 

October 27, 2004, 4:00  5:00 Pm at Science Center, Room 530 
HARVARD, BRANDEIS, M.I.T., NORTHEASTERN COLLOQUIUM 
William Minicozzi (JOHNS HOPKINS UNIVERSITY) 
Double Spiral Staircases in Embedded Minimal Disks 

November 13, 2003, 4:30 p.m. at Harvard Univ., Science Center Hall D 
NUMBER THEORY SEMINAR 
Solomon Friedberg (BOSTON COLLEGE) 
Double Dirichlet Series and the Nonvanishing of Quadratic Twists of the Adjoint Square LFunction 

April 10, 2002, 3:00 p.m. at Science Center 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Peter Kronheimer (HARVARD UNIVERSITY) 
Donaldson invariants of 4manifolds from Su(N) 

October 01, 2004, 3:30  4:30 Pm at Science Center, Room 309 
DIFFERENTIAL GEOMETRY SEMINAR 
Fan Chung Graham (UC  SAN DIEGO) 
Discrete Green's functions and the hitting times 

November 27, 2001, 1:30pm at Science Center Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
William Benter (QUANTRIX) 
Development of a Mathematical Model for Successful Horse Race Wagering 

February 19, 2002, 4:30 Pm at Science Center, Lecture Hall A 
SEMINAR ON EDUCATION IN THE MATHEMATICAL SCIENCES 
Michal Yerushalmy (HAIFA UNIVERSITY) 
Developing Mathematical Intuition in Teaching and Learning: Video as a Tool for Research and Professional Development 

November 07, 2001, 4:00 Pm at 317 Science Center 
JDG 2002 PRESENTS FIFTH CONFERENCE ON GEOMETRY AND TOPOLOGY 
M.Atiyah, R.Bryant, L.Caffarelli, J.Cheeger, P.Daskalopoulos, X.de la Ossa, J.P.Demailly, G.Huisken, J.Li, G.Margulis, W.Meeks, A.Nahmod, Ch.Taylor, C.L.Terng, E.Viehweg, L.S.Young (SPEAKERS FROM VARIOUS INSTITUTIONS) 
Details can be found on the conference webpage. 

May 0305, 2002, Friday 1:00pm5:30pm Saturday 9:00am5:30pm Sunday 9:00am4:15pm at Science Center, Lecture Hall C 
NUMBER THEORY SEMINAR 
Jordan Ellenberg (PRINCETON UNIVERSITY) 
Descent bounds for points of bounded height on varieties (joint work with A.Venkatesh) 

February 16, 2005, 3:00  4:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Mark Reeder (BOSTON COLLEGE) 
Depthzero supercuspidal Lpackets for unramified groups 

December 15, 2004, 3:00  4:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Laurent Berger (HARVARD) 
De Rham representations and universal norms 

November 05, 2003, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
William Stein (HARVARD UNIVERSITY) 
Data About Ranks of Elliptic Curves 

December 01, 2004, 3:00  4:00 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
ShingTung Yau (HARVARD) 
Construction of Some Symplectic Manifolds 

April 22, 2002, 3:004:00 Pm at Science Center, Room 507 
MODULAR CURVES SEMINAR 
Hui Zhu (HARVARD) 
Construction of Some Families of 2Dimensional Crystalline Representations 

October 21, 2003, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Michael Harris (VISITING HARVARD; UNIVERSITY OF PARIS 7) 
Congruences Between Stable and Endoscopic Forms and Arithmetic Applications (Work in Progress) 

February 04, 2004, 3:00 Pm at Science Center, Room 507 
THE ELLIPTIC CURVES AND MODULAR FORMS SEMINAR 
Nathan Ryan (DARTMOUTH) 
Computing the Satake $p$parameters of a Siegel Eigenform 

October 21, 2004, 3:00  4:00 Pm at Science Center, Room 530 
THE ELLIPTIC CURVES AND MODULAR FORMS SEMINAR 
William Stein (HARVARD UNIVERSITY) 
Computing pAdic Heights Using MonskyWashnitzer Cohomology 

December 08, 2004, 1:00Pm  2:00Pm at Science Center, Room 507 
THE ELLIPTIC CURVES AND MODULAR FORMS SEMINAR 
William Stein (HARVARD UNIVERSITY) 
Computations About the Birch and SwinnertonDyer Conjecture for Modular Abelian Varieties Using Magma 

October 13, 2004, 1:00Pm  2:00Pm at Science Center, Room 507 
JOINT MATHEMATICS COLLOQUIUM 
Richard Schwartz (UNIVERSITY OF MARYLAND) 
Complex hyperbolic geometry, triangle groups, and spherical Cr structures on hyperbolic manifolds 

October 24, 2002, 4:30 Pm at Science Center, Hall D 
DIFFERENTIAL GEOMETRY SEMINAR 
Eliot Brenner (YALE UNIVERSITY) 
Complex Affine Crystallographic Groups: results towards a classification in low dimensions. 

November 05, 2002, 1:30Pm at Science Center room 507 
NUMBER THEORY SEMINAR 
Toby Gee (IMPERIAL COLLEGE) 
Companion forms over totally real fields 

October 27, 2004, 3:00  4:00 Pm at Science Center, Room 507 
COMPLEX GEOMETRY AND ANALYSIS SEMINAR 
Jeffrey McNeal (OHIO STATE UNIVERSITY) 
Compactness of the \bar\partialNeumann problem 

September 22, 2003, 4:15 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Nathan Dunfield (HARVARD) 
Commensurability of fibered and nonfibered hyperbolic 3manifolds 

April 25, 2003, 3:30 Pm at Science Center, Room 309 
DIFFERENTIAL GEOMETRY SEMINAR 
Richard Hain (DUKE UNIVERSITY  VISITING HARVARD UNIVERSITY) 
Cohomology of moduli spaces of curves and abelian varieties in low genus 

October 29, 2002, 1:30Pm at Hu  Science Center room 507 
MODULAR FORMS SEMINAR 
Joan Lario (BARCELONA) 
Cm Elliptic Curves over Number Fields: Explicit examples of modular quotients 

May 06, 2004, 3:07pm  3:37pm at Sc 507 
COMPLEX GEOMETRY AND ANALYSIS SEMINAR 
YumTong Siu (HARVARD) 
Closed Positive Currents and Nevanlinna Theory (Continuation) 

October 06, 2003, 4:15 Pm at Science Center, Room 507 
COMPLEX GEOMETRY AND ANALYSIS SEMINAR 
YumTong Siu (HARVARD) 
Closed Positive Currents and Nevanlinna Theory 

September 29, 2003, 4:15 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Benedikt Gross (HARVARD) 
Class fields and Drinfeld modules 

November 04, 2002, 3:00 Pm at Science Center, Room 507 
JOINT MATHEMATICS COLLOQUIUM 
Tom Hales (UNIVERSITY OF PITTSBURGH) 
Characters, motives, and a bit of logic 

December 12, 2002, 4:30 Pm at Science Center, Hall D 
NUMBER THEORY SEMINAR 
Alexandru Popa (HARVARD) 
Central values of Rankin Lseries over real quadratic fields 

April 02, 2003, 3:00 pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Xiaofeng Sun (HARVARD UNIVERSITY) 
Canonical metrics on the moduli space of riemann surfaces 

October 18, 2004, 12:00Pm  1:00Pm at Science Center, Room 221 
DIFFERENTIAL GEOMETRY SEMINAR 
Fernando Rodriguez Villegas (HARVARD UNIVERSITY) 
CalabiYau manifolds over finite fields 

October 09, 2001, 1:30pm at 
ALGEBRAIC GEOMETRY SEMINAR 
Joseph Landsberg (TEXAS AM AND HARVARD) 
Asymptotic directions on projective varieties and consequences 

September 21, 2004, 3:00  4:00 Pm at Science Center, Room 507 
ALGEBRAIC GEOMETRY SEMINAR 
Mihnea Popa (HARVARD UNIVERSITY) 
Asymptotic Intersection Numbers and Restricted Volumes 

March 09, 2004, 3:00 Pm at Science Center, Room 507 
THE MODULAR SEMINAR 
Akshay Venkatesh (MIT) 
Arithmetic cases of quantum unique ergodicity 

February 19, 2004, 3:004:00pm at Sc 507 
BASIC NOTIONS SEMINAR 
Joseph Harris (HARVARD UNIVERSITY) 
Are Cubics Rational? 

October 21, 2002, 3:00 Pm at Science Center, Room 507 
THE ELLIPTIC CURVES AND MODULAR FORMS SEMINAR 
Frank Calegari and William Stein (HARVARD UNIVERSITY) 
An Amazing Abelian Variety A_{f} 

December 15, 2004, 1:00Pm  2:00Pm at Science Center, Room 507 
SPECIAL SEMINAR 
Bruno DeOliveira (UNIVERSITY OF MIAMI, FLORIDA) 
Algebraic hyperbolicity of nodal hypersurfaces 

December 10, 2004, 3:30 p.m. at Science Center, Room 411 
SPECIAL MODULAR FORMS SEMINAR 
Frank Calegari, William Stein (HARVARD) 
About algebraic numbers and padic modular forms 

April 01, 2003, 4:30 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
JeanMichel Bismut (UNIVERSITé PARISSUD) 
A deformation of Hodge theory 

September 24, 2004, 1:00Pm  2:00Pm at Science Center, Room 507 
MODULAR CURVES SEMINAR 
Frank Calegari (HARVARD) 
A counterexample to the GouveaMazur conjecture 

October 23, 2003, 3:00 Pm at Science Center, Room 507 
PANEL ON JOURNAL PUBLICATION 
Alan Bourque (Harvard University Libraries), Ann Kostant (Springer), Joan Birman (Math Sciences Publications and Columbia University), Edward Dunne (Ams), Benedict Gross (Dean of Harvard College and Leverett of Mathematics) will moderate () 
A Panel discussion on Journal publication issues relevant to Harvard 

April 06, 2005, 4:15pm at Science Center, Room 507 
SPECIAL SEMINAR 
William Stein (HARVARD UNIVERSITY) 
A New Algorithm for Computing padic Cyclotomic Height Functions 

October 15, 2004, 10:00Am  11:00Am at Mit, Building 2, Room 2136 
DIFFERENTIAL GEOMETRY SEMINAR 
Dan Stroock (MIT) 
A Mathematician's Version of the Original Paper of Black and Scholes 

February 19, 2002, 1:30 Pm at Science Center, Room 507 
THE ELLIPTIC CURVES AND MODULAR FORMS SEMINAR 
Kevin Buzzard (IMPERIAL COLLEGE, LONDON) 
A Little Calculation with Hilbert Modular Forms 

October 27, 2004, 1:00Pm  2:00Pm at Science Center, Room 507 
MODULAR CURVES SEMINAR 
Graham Herrick () 
A Conjectural Formula for Slopes of Classical Eigenforms 

November 26, 2002, 4:305:30 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Fernando Rodriguez Villegas (UNIVERSITY OF TEXAS) 
12 Lattice polygons, a modular form, and a puzzle. 

February 11, 2002, 3:004:00 Pm at Science Center, Room 507 
SPECIAL NUMBER THEORY SEMINAR 
Laurent Berger (BRANDEIS) 
'padic representations and differential equations' 

January 23, 2002, 3:004:00 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
William Stein (HARVARD) 
'Welcome to the Magma Computer Algebra System' 

December 03, 2001, 3:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Nathan Dunfield (HARVARD) 
'Transfering Virtual Haken Via Dehn Filling' 

November 02, 2001, 3:30 Pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Jonathan Weitsman (UNIVERSITY OF CALIFORNIA, SANTA CRUZ) 
'The topology of Hamiltonian Loop Group Spaces' 

March 14, 2003, 3:30 Pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Eun Soo Lee (MIT) 
'The support of the Khovanov's invariants for alternating links.' 

April 26, 2002, 3:30 Pm at Science Center, Room 309 
SPECIAL GAUGE THEORY AND TOPOLOGY SEMINAR 
Ib Madsen () 
'The cohomology of the stable mapping class group:Mumford's conjecture'. 

November 15, 2002, 1:002:00 Pm at Science Center, Room 110 
GAUGE THEORY AND TOPOLOGY SEMINAR 
David Gabai (CALTECH) 
'The Smale conjecture for hyperbolic 3manifolds' 

April 20, 2001, 3:305:00 Pm at Science Center, Room 309 
SERIES OF LECTURES BY PROF. A.CATTANEO 
Alberto Cattaneo (INSTITUT FUR MATHEMATIK, ZURICH) 
'The Bv formalism, topological theories and deformation quantization' 

October 23, 2001, 5:00Pm at Science Center, Room 507 
SERIES OF LECTURES BY PROF. A.CATTANEO 
Alberto Cattaneo (INSTITUT FUR MATHEMATIK, ZURICH) 
'The Bv formalism, topological theories and deformation quantization' 

November 06, 2001, 5:00Pm at Science Center, Room 507 
MODULAR CURVES SEMINAR 
Juping Wang () 
'Singular Automorphic Forms" 

November 12, 2002, 4:30 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Frank Calegari (UNIVERSITY OF CALIFORNIA AT BERKELEY) 
'Semistable Abelian Varieties of small conductor' 

November 07, 2001, 3:00 Pm at Science Center, Room 507 
BASIC NOTIONS SEMIANR 
Benedict Gross (HARVARD) 
'Salem numbers and orthogonal groups' 

October 22, 2001, 3:004:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Romyar Sharifi () 
'Relations in and between prop Galois groups and a Lie algebra associated to the projective line minus three points' 

October 10, 2001, 3:00 Pm at Science Center, Room 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Mihnea Popa (HARVARD) 
'Regularity on abelian varieties' 

October 02, 2001, 3:004:30 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Joseph Harris (HARVARD) 
'Rationally connected varieties' 

October 29, 2001, 3:00 Pm at Science Center, Room 507 
JOINT MATHEMATICS COLLOQUIUM 
Richard Kenyon (UNIVERSITE PARISSUD) 
'Random maps from Z^2 to Z' 

November 15, 2001, 4:30 Pm at Science Center, Hall D 
HARVARDMIT ALGEBRAIC GEOMETRY SEMINAR 
Johan DeJong (MIT) 
'PeriodIndex Problem for Surfaces' 

October 16, 2001, 3:00 Pm at Science Center, Room 507 
MODULAR CURVES AND MODULAR FORMS SEMINAR 
Jayce Getz () 
'Partition identities and a theorem of Zagier' 

December 03, 2001, 2:003:00 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Benedict Gross (HARVARD UNIVERSITY) 
'Parabolics and Parahorics' 

April 12, 2004, 3:00 Pm at Science Center, Room 507 
MODULAR CURVES MODULAR FORMS SEMINAR 
William Stein (HARVARD) 
'Nonvanishing Twists and Visible ShafarevichTate Groups' 

October 01, 2001, 2:003:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Melissa Liu (HARVARD) 
'Moduli of Jholomorphic Curves with Lagrangian Boundary Conditions' 

October 26, 2001, 3:305:00 Pm at Science Center, Room 309 
NUMBER THEORY SEMINAR 
Matthew Baker (HARVARD) 
'Modular parametrizations for curves of genus at least two' 

October 31, 2001, 3:00 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Sijue Wu (UNIVERSITY OF MARYLAND AT COLLEGE PARK) 
'Mathematical Analysis of Vortex Sheets' 

November 05, 2001, 3:004:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Conan Leung (UNIVERSITY OF MINNESOTA) 
'Lagrangian submanifolds in hyperkahler manifolds, Legendre transform and Plucker formula'. 

October 19, 2001, 3:305:00 Pm at Science Center, Room 309 
MODULAR CURVES SEMINAR 
Erez Lapid (OHIO STATE) 
'Lfunctions and root numbers at the center of symmetry ' 

May 06, 2002, 2:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Zoltan Szabo (PRINCETON UNIVERSITY) 
'Knot Floer homology' 

March 21, 2003, 3:30 Pm at Science Center, Room 309 
JOINT MATHEMATICS COLLOQUIUM 
Steve Gersten (UNIVERSITY OF UTAH) 
'Isoperimetric functions of nilpotent groups' 

December 13, 2001, 4:30 Pm at Science Center, Hall D 
BASIC NOTIONS SEMINAR 
Daniel Allcock (HARVARD) 
'Hyperbolic Reflection Groups' 

October 01, 2001, 3:004:00 Pm at Science Center, Room 507 
MODULAR CURVES AND MODULAR FORMS SEMINAR 
Cristophe Cornut (HARVARD) 
'Heegner points" 

November 26, 2001, 2:003:00 Pm at Science Center, Room 507 
MODULAR CURVES AND MODULAR FORMS SEMINAR 
Benedict Gross (HARVARD) 
'Heegner points in the context of representation theory' 

November 19, 2001, 2:003:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Romyar Sharifi (HARVARD) 
'Galois actions on fundamental groups' 

February 06, 2002, 3:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Denis Auroux (MIT) 
'Fundamental groups of plane curve complements and symplectic invariants' 

December 07, 2001, 3:30 Pm at Science Center, Room 309 
MODULAR CURVES AND MODULAR FORMS SEMINAR 
Edray Goins (MSRI) 
'Finding a modualr form associated with a Psl(2,7)extension' 

October 29, 2001, 2:003:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Curt McMullen (HARVARD) 
'Coxeter groups, Salem numbers and the Hilbert metric' 

October 24, 2001, 3:00 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Don Zagier (MAX PLANCK INSTITUT FUER MATHEMATIK, BONN) 
'Counting graphs' 

October 15, 2001, 3:00 Pm at Science Center, Room 507 
SEVERAL COMPLEX VARIBLES SEMINAR 
Irwin Kra (SUNY AT STONY BROOK) 
'Constructions of abelian differentials of the third kind on some symmetric Riemann surfaces (Some pretty examples in search of a theory)' 

April 26, 2002, 2:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Kiran Kedlaya (UNIVERSITY OF CALIFORNIA AT BERKELEY) 
'Computing zeta functions using MonskyWashnitzer cohomology' 

October 17, 2001, 3:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Danny Ruberman (BRANDEIS) 
'Casson's invariant in dimensions 3 and 4'. 

November 22, 2002, 3:30 Pm at Science Center, Room 309 
MODULAR CURVES AND MODULAR FORMS 
Frank Calegari () 
'Aspects of the Eigencurve' 

November 05, 2001, 2:003:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Alberto Cattaneo (UNIVERSITY OF ZURICH) 
'A field theoretic interpretation of the ChasSullivan bracket'. 

September 21, 2001, 3:305:00 Pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Paul Kirk (UNIVERSITY OF INDIANA) 
'A cut and paste formula for the eta invariant and a nonadditivity formula for the signature defect' 

November 09, 2001, 3:305:00 Pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Mikhail Khovanov (UC DAVIS) 
'A cohomology theory of links" 

October 12, 2001, 3:305:00 Pm at Science Center, Room 309 
MODULAR CURVES AND MODULAR FORMS SEMINAR 
Pete Clark (HARVARD) 
"padic uniformization of Shimura curves" 

April 01, 2002, 2:003:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Henri Darmon (MCGILL UNIVERSITY) 
"padic families of modular forms and the GrossKohnenZagier Theorem" 

May 17, 2006, 3:00pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Avner Ash (BOSTON COLLEGE (VISITING HARVARD UNIVERSITY)) 
"padic deformations of arithmetic cohomology" 

March 01, 2006, 3:00 pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Matthew Emerton (NORTHWESTERN UNIVERSITY) 
"padic automorphic representations" 

May 15, 2002, 3:004:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Vladimir Berkovich (WEIZMANN INSTITUTE) 
"padic analytic and piecewise linear spaces'' 

April 24, 2002, 4:305:30 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Mak Trifkovic (HARVARD) 
"\muInvariants of Elliptic Curves over Q" 

February 13, 2002, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Preda Mihailescu (ETHZURICH) 
"Zooming into Catalan's conjecture" 

February 26, 2003, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Noam D.Elkies (HARVARD) 
"Yet more nonlinear codes from modular curves" 

February 12, 2003, 3:00 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
JeanPierre Serre (COLLEGE DE FRANCE) 
"Writing mathematics?" 

November 10, 2003, 3:00 Pm at Science Center, Room 507 
MODULAR CURVES SEMINAR 
William Stein (HARVARD) 
"Writing Theta Series in Terms of Cuspidal Eigenforms" (or "What's Brewing in Meccah right now."). 

March 04, 2003, 4:30 Pm at Science Center, Room 507 
HARVARD, BRANDEIS, M.I.T., NORTHEASTERN COLLOQUIUM AT HARVARD 
Charles Fefferman (PRINCETON UNIVERSITY) 
"Whitney's extension problem" 

February 17, 2005, 4:006:00pm at Science Center Hall D 
SYMPLECTIC GEOMETRY LEARNING SEMINAR 
Michael Usher (HARVARD UNIVERSITY) 
"What you can do with a Lefschetz pencil, II" 

April 29, 2005, 12:001:00pm at Science Center, Room 232 
SYMPLECTIC GEOMETRY LEARNING SEMINAR 
Michael Usher (HARVARD UNIVERSITY) 
"What you can do with a Lefschetz pencil, I" 

April 22, 2005, 12:001:00pm at Science Center, Room 232 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Jenny Harrison (BERKELEY) 
"What is Stokes' theoremfrom algebraic beginnings to geometric completions" 

October 28, 2005, 3:30pm at Science Center, Room 309 
SPECIAL SEMINAR 
Seth Sullivant (UC  BERKELEY) 
"What is Algebraic Statistics?" 

February 19, 2004, 2:00  3:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
ZHIQIN LU (UNIVERSITY OF CALIFORNIA IRVINE) 
"WeilPetersson geometry on CY moduli" 

December 06, 2005, 10:0011:00am at Science Center, Room 530 
NUMBER THEORY SEMINAR 
Tetsushi Ito (UNIVERSITY OF TOKYO) 
"Weightmonodromy conjecture for certain threefolds in mixed characteristic" 

April 03, 2002, 3:004:00 Pm at Science Center, Room 507 
MODULAR CURVES AND MODUAR FORMS SEMINAR 
Ken Ono () 
"Weierstrass points on X0(p) and modular forms" 

February 18, 2002, 2:003:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Ding Xiaqi (ACADEMIA SINICA) 
"Weak Functions and Related Problems" 

May 31, 2002, 1:30 Pm at Science Center, Room 507 
MIT/HARVARD ANALYSIS SEMINAR 
Sylvia Serfaty (NYU) 
"Vortices in the GinzburgLandau model in the strongly repulsive limit" 

March 10, 2006, 4:155:15pm at MIT 2142 
DIFFERENTIAL GEOMETRY SEMINAR (SPONSORED BY PROF. SHINGTUNG YAU) 
EDWARD GOLDSTEIN (BRANDEIS UNIVERSITY) 
"Volume minimization and estimates for isotropic submanifolds" 

February 28, 2006, 4:305:30pm at Science Center, Room 507 
FACULTY COLLOQUIUM 
Gerald Sacks (HARVARD UNIVERSITY) 
"Vaught's Conjecture" 

March 06, 2006, 3:00 pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Vladimir Chernov (DARTMOUTH) 
"Vassiliev invariants of Legendrian, pseudoLegendrian and framed knots in contact 3manifolds" 

October 10, 2003, 3:30 Pm at Science Center, Room 309 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Brendan Hassett (RICE) 
"Variation of moduli spaces and the minimal model program" 

December 11, 2001, 3:00 Pm at Science Center, Room 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Ravi Vakil () 
"Vanishing of Chow (or cohomology) classes on the moduli space of curves" 

February 18, 2003, 3:004:00 Pm at Science Center, Room 507 
THE TEACHING UNDERGRADUATE MATHEMATICS SEMINAR (TUMS) 
Angela VierlingClaassen and Derek Bruff (HARVARD UNIVERSITY) 
"Understanding What Your Students Are Thinking" 

March 11, 2005, 2:003:00pm at Science Center, Room 316 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Michael Hopkins (MIT/HARVARD) 
"Twisted Ktheory and the cubic Dirac operator" 

February 14, 2003, 3:30 Pm at Science Center, Room 309 
NUMBER THEORY SEMINAR 
Chris Skinner (UNIVERSITY OF MICHIGAN) 
"Towards the main Conjecture for Modular Forms" 

May 19, 2004, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Frank Calegari (HARVARD UNIVERSITY) 
"Towards an eigencurve over imaginary quadratic fields" 

September 28, 2005, 3:00pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Sue Tolman (MIT AND UNIVERSITY OF ILLINOIS) 
"Topological properties of Hamiltonian torus actions" 

February 22, 2002, 3:30 Pm at Science Center, Room 309 
DIFFERENTIAL GEOMETRY SEMINAR 
Jun Li (STANFORD UNIVERSITY) 
"Topological Vertex of Toric CalabiYau Manifolds" 

April 27, 2004, 4:30 Pm at Science Center, Room 507 
GLOBAL METHODS IN CHROMATIC HOMOTOPY THEORY SEMINAR 
Tyler Lawson (MIT) 
"Topological Automorphic Forms II" 

December 02, 2005, 3:30pm at Science Center, Room 309a 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Jason Cantarella (UNIVERSITY OF GEORGIA) 
"Tight knots in theory and computation" 

March 11, 2005, 3:304:30pm at Science Center, Room 309 
BASIC NOTIONS SEMINAR 
Noam Elkies (HARVARD) 
"The ubiquitous discrete subgroups of So(3,R)" 

February 04, 2002, 3:004:00 Pm at Science Center, Room 507 
HARVARD, BRANDEIS, M.I.T., NORTHEASTERN COLLOQUIUM AT HARVARD 
Paul Seidel (UNIVERSITY OF CHICAGO) 
"The topology of Lagrangian submanifolds" 

December 15, 2005, 4:30pm at Science Center, Lecture Hall D 
NUMBER THEORY SEMINAR 
JeanMarc Fontaine (UNIVERSITE PARISSUD ORSAY) 
"The special fiber of a crystalline representation" 

April 19, 2006, 4:305:30pm at Science Center, Room 507 
INFORMAL ALGEBRAIC GEOMETRY SEMINAR 
Lisa Jeffrey (UNIVERSITY OF TORONTO) 
"The residue formula and its applications" 

May 15, 2003, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Erez Lapid (JERUSALEM AND IAS) 
"The relative trace formula and its applications" 

November 09, 2005, 3:00pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Manjul Bhargava (PRINCETON UNIVERSITY/HARVARD) 
"The parametrization of quadratic, cubic, quartic, and quintic rings" 

March 12, 2003, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Ehud De Shalit (HEBREW UNIVERSITY) 
"The monodromyweight conjecture for padically uniformised varieties" 

October 01, 2003, 3:004:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Frank Calegari (HARVARD UNIVERSITY) 
"The modular degree of Elliptic Curves (joint with M.Emerton)" 

March 02, 2005, 3:004:00pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR (ORGANIZED BY PROF. SHINGTUNG YAU) 
William Meeks (UNIVERSITY OF MASSACHUSETTSAMHERST) 
"The minimal lamination closure theorem, the local removable singularity theorem, the quadratic curvature decay theorem and the dynamics theorem for embedded minimal surfaces" 

November 01, 2005, 4:306:00pm at Science Center, Room 507 
ANALYSIS SEMINAR 
Christian Hainzl (UNIVERSITY OF ALABAMA AT BIRMINGHAM) 
"The meanfield approximation to Quantum Electrodynamics. The nophoton case" 

November 15, 2005, 2:303:30pm at Science Center, Room 232 
DIFFERENTIAL GEOMETRY SEMINAR 
Felix Finster (UNIVERSITY OF REGENSBURG, GERMANY) 
"The longtime dynamics of scalar waves in the kerr geometry" 

March 18, 2005, 9:0010:00am at Science Center, Room 530 
SPECIAL SEMINAR 
Martin Kolar (MASARYK UNIVERSITY, BRNO) 
"The local equivalence problem on Levi degenerate hypersurfaces" 

May 10, 2006, 11:00am12:00pm at Science Center, Room 507 
INFORMAL ALGEBRAIC GEOMETRY SEMINAR 
Lisa Jeffrey (UNIVERSITY OF TORONTO) 
"The kernel of the Kirwan map" 

May 08, 2003, 3:00 Pm at Science Center, Room 507 
COLLOQUIUM 
Kenneth Ribet (UNIVERSITY OF CALIFORNIA, BERKELEY) 
"The geometry of a Langlands correspondence" 

April 25, 2002, 4:305:30 Pm at Science Center, Halol D 
BASIC NOTIONS SEMINAR 
Dennis Gaitsgory (UNIVERSITY OF CHICAGO) 
"The geometric Langlands program" 

December 02, 2002, 3:00 Pm at Science Center, Room 507 
INFORMAL ALGEBRAIC GEOMETRY SEMINAR 
Izzet Coskun (HARVARD) 
"The enumerative geometry of Del Pezzo surfaces" 

April 24, 2003, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Abhinav Kumar (HARVARD UNIVERSITY) 
"The densest lattice in twentyfour dimensions" 

October 05, 2005, 3:00pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR (ORGANIZED BY PROF. SHINGTUNG YAU) 
CRISTINA SORMANI (CITY UNIVERSITY OF NEW YORK) 
"The covering spectrum and convergence of manifolds" 

October 04, 2005, 4:306:00 at Science Center, Room 507 
JOINT MATHEMATICS COLLOQUIUM 
Bill Meeks (UMASS, AMHERST) 
"The classical theory of minimal surfaces: a study of the classical examples and their uniqueness." 

March 14, 2002, 4:305:30 Pm at Science Center, Hall D 
DIFFERENTIAL GEOMETRY SEMINAR 
William Meeks (UNIVERSITY OF MASSACHUSSETTSAMHERST) 
"The Uniqueness of the Helicoid and the Asymptotic Geometry of Properly Embedded Minimal Surfaces of Finite Topology" 

May 01, 2001, 1:30 Pm at Science Center, Room 507 
GEOMETRY SEMINAR 
Dragos Oprea (M.I.T.) 
"The Tautological Rings of the Stable Map Spaces" 

May 10, 2004, 4:00  5:00 Pm at Science Center, Room 530 
BASIC NOTIONS SEMINAR 
Raoul Bott (HARVARD) 
"The Symbol of an Operator; a Reminiscence" 

November 17, 2003, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Dimitri Leemans (UNIVERSITE LIBRE DE BRUXELLES AND NORTHEASTERN UNIVERSITY) 
"The Suzuki simple groups Sz(q) seen as automorphism groups of some geometric structures" 

October 19, 2005, 3:00pm at Science Center, Room 507 
MODULAR CURVES AND MODULAR FORMS SEMINAR 
Chris Mihelich () 
"The Order at 2 of the Odd Partition Function" 

March 04, 2002, 2:003:00 Pm at Science Center, Room 507 
GEOMETRY SEMINAR 
Izzet Coskun (HARVARD UNIVERSITY) 
"The Nef Cone Of The Moduli Space Of Curves And The FConjecture" 

February 23, 2004, 4:30  5:30 Pm at Science Center, Room 530 
ALGEBRAIC GEOMETRY SEMINAR 
Amit Khetan (UNIVERSITY OF MASSACHUSETTS AT AMHERST) 
"The Maximum Likelihood Degree" (Joint work with Fabrizio Catanese, Serkan Hoston, and Bernd Sturmfels) 

April 15, 2004, 3:004:00 Pm at Science Center, Room 530 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Stavros Garoufalidis (GEORGIA TECH) 
"The Jones polynomial and the signature of a knot" 

October 31, 2003, 3:30 Pm at Science Center, room 309 
MIT/HARVARD ANALYSIS SEMINAR 
Tom Hou (CALTECH) 
"The Interplay between Local Geometric Properties and the Global Regularity of the 3D Incompressible Euler Equations" 

February 17, 2006, 4:15 pm at Science Center, Room 222 
GLOBAL METHODS IN CHROMATIC HOMOTOPY THEORY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
"The HopkinsMiller theorem for pdivisible groups" 

October 14, 2005, 3:30pm at Science Center, Room 309a 
NUMBER THEOORY SEMINAR 
Frank Calegari (HARVARD) 
"The Hecke Algebra has Large Index" 

November 20, 2002, 3:00 Pm at Science Center, Room 507 
SPECIAL NUMBER THEORY SEMINAR 
Richard Borcherds (UNIVERSITY OF CALIFORNIA, BERKELEY) 
"The GrossKohnenZagier Theorem". 

September 27, 2002, 2:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Tom Coates (HARVARD UNIVERSITY) 
"The GromovWitten Theory of a point and KdV" 

February 15, 2005, 4:30pm 5:30pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Martin Weissman (HARVARD) 
"The FourierJacobi Map and Applications" 

March 05, 2003, 3:00 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Shlomo Sternberg (HARVARD UNIVERSITY) 
"The EulerMaclaurin Formula in Higher Dimensions" 

December 8, 2003, 3:00 Pm at Science Center, Room 507 
GEOMETRY SEMINAR 
Deepee Khosla (HARVARD UNIVERSITY) 
"The Enriques Conjecture" 

April 14, 2004, 5:00  6:00 Pm at Science Center, Room 530 
GEOMETRIZATION SEMINAR 
John Holt (HARVARD) 
"The Double Limit Thm, Part Ii" 

April 27, 2001, 1:00 Pm at Science Center, Room 112 
GEOMETRIZATION SEMINAR 
John Holt () 
"The Double Limit Theorem" (part 1) 

April 20, 2001, 1:00 Pm at Science Center, Room 530 
SPECIAL UNDERGRADUATE SEMINAR 
Joan Birman (COLUMBIA UNIVERSITY) 
"The Conjugacy Problem in the Braid Groups" 

April 06, 2005, 2:003:00pm at Science Center, Room 221 
BASIC NOTIONS SEMINAR 
Elizabeth Denne (HARVARD UNIVERSITY) 
"The CauchyCrofton Formula and Integral Geometry" 

February 27, 2006, 3:00 pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Walter Neumann (COLUMBIA UNIVERSITY) 
"The Casson Invariant Conjecture" 

April 22, 2005, 3:004:00pm at Science Center, Room 309 
SERIES OF LECTURES BY PROF. A.CATTANEO 
Alberto Cattaneo (INSTITUT FUR MATHEMATIK, ZURICH) 
"The Bv formalism, topological theories and deformation quantization" 

October 18, 2001, 5:00 Pm at Science Center, Room 507 
SERIES OF LECTURES BY PROF. A.CATTANEO 
Alberto Cattaneo (INSTITUT FUR MATHEMATIK, ZURICH) 
"The Bv formalism, topological theories and deformation quantization" 

October 11, 2001, 5:00 Pm at Science Center, Room 507 
FACULTY COLLOQUIUM 
Joe Harris (HARVARD UNIVERSITY) 
"The BrillNoether theorem: representation theory for curves" 

October 07, 2005, 3:00pm at Science Center, Room 507 
FACULTY COLLOQUIUM 
Joe Harris (HARVARD UNIVERSITY) 
"The BrillNoether Theorem: representation theory for curves'' 

October 17, 2005, 3:00pm at Science Center, Room 507 
GEOMETRY SEMINAR 
Matthew Bainbridge (HARVARD UNIVERSITY) 
"The Bass Note of a Riemannian Manifold" 

February 25, 2004, 4:30  5:30 Pm at Science Center, Room 530 
NUMBER THEORY SEMINAR 
Michael Hopkins (MIT/HARVARD) 
"The Atkin operator in algebraic topology" 

December 04, 2002, 3:00 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Noam Elkies (HARVARD) 
"The 27 lines on a cubic surface" 

February 25, 2002, 3:00 Pm at Science Center, Room 507 
SPECIAL BASIC NOTIONS SEMINAR 
Tim Gowers (CAMBRIDGE UNIVERSITY) 
"Szemeredi's theorem for arithmetic progressions of length four" 

January 22, 2002, 2:003:00 Pm at Science Center, Room 507 
MODULAR CURVES SEMINAR 
Jayce Getz (Harvard), Emma Smith (Mit) () 
"Systems of orthogonal polynomials arising from modular jfunctions" 

September 25, 2003, 3:004:00 Pm at Science Center, Room 507 
MIT/HARVARD ANALYSIS SEMINAR 
Gigliola Staffilani (MIT) 
"Symplectic nonsqueezing for the KdV flow" 

April 14, 2006, 4:15pm at Science Center, Room 222 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Paul Seidel (UNIVERSITY OF CHICAGO) 
"Symplectic cohomology and Lefschetz fibrations" 

December 16, 2005, 3:30pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Ciprian Manolescu (CLAY/PRINCETON UNIVERSITY) 
"Symplectic Floer theories and the Jones polynomial" 

February 25, 2005, 3:304:30pm at Science Center, Room 309 
DIFFERENTIAL GEOMETRY SEMINAR 
Michael Brenner (HARVARD UNIVERSITY) 
"Surfaces of Constant Mean Curvature: Some Recent Developments" 

May 11, 2004, 4:30 p.m. at Science Center, Room 507 
NUMBER THEORY SEMINAR 
David Jao (HARVARD) 
"Supersingular Primes for Points on Modular Curves" 

April 09, 2003, 3:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Nicolas Monod (UNIVERSITY OF CHICAGO) 
"Superrigidity and Geometric Splitting" 

April 6, 2004, 4:30 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Eugenio Calabi () 
"Structures in Spaces of Kahler Metrics" 

October 07, 2003, 1:30 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINARS 
Eugenio Calabi () 
"Structures In Spaces Of Kahler Metrics" 

October 07, 2003, 1:30 Pm at Science Center, Room 507 
MODULAR CURVES SEMINAR 
David Savitt () 
"Strongly divisible lattices and (almost) explicit Galois deformation rings" 

January 15, 2003, 3:00 Pm at Science Center, Room 507 
GEOMETRY SEMINAR 
Allan Adams (HARVARD UNIVERSITY) 
"Strings, Loops, and Moduli Spaces" 

March 17, 2004, 5:00 6:00 Pm at Science Center, Room 530 
BASIC NOTIONS SEMINAR 
Veronique Godin (HARVARD UNIVERSITY) 
"String Topology (I)" A prequel to Dennis Sullivan's talk 

December 05, 2005, 3:00pm at Science Center, Room 507 
MIT/HARVARD ANALYSIS SEMINAR 
Jonathan Mattingly (DUKE UNIVERSITY) 
"Stochastic Navier Stokes: Spectral gaps and Ergodicity" 

March 03, 2006, 4:15pm at MIT 2142 
SPECIAL SEMINAR 
Tseno V. Tselkov (HARVARD UNIVERSITY) 
"Stark's Conjecture for Imaginary Quadratic Fields" 

May 09, 2005, 12:00pm at Science Center, Room 304 
DIFFERENTIAL GEOMETRY SEMINAR (ORGANIZED BY PROF. SHINGTUNG YAU) 
Andreas Bjorn (HUMBOLDT UNIVERSITYBERLIN) 
"Standard models from the heterotic string" 

October 25, 2005, 4:306:00pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR ( SPONSORED BY PROF. SHINGTUNG YAU) 
Jan Metzger (MAX PLANCK INSTITUTE) 
"Stable marginally trapped surfaces and dynamical horizons" 

March 07, 2006, 4:155:15pm at Science Center, Room 507 
HARVARDMIT ALGEBRAIC GEOMETRY SEMINAR 
Gavril Farkas (UNIVERSITY OF MICHIGAN) 
"Stable bundles, difference varieties, and divisors on moduli spaces of pointed curves" 

February 19, 2002, 3:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Michael Thaddeus (COLUMBIA UNIVERSITY) 
"Stable Maps to a Loop Group" 

April 16, 2004, 3:305:00 Pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Michael Thaddeus (COLUMBIA UNIVERSITY) 
"Stable Maps to a Loop Group" 

April 16, 2002, 3:30  5:00 Pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Jake Rasmussen (PRINCETON UNIVERSITY) 
"Stabilization in SL(N) knot homology" 

October 21, 2005, 3:30pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Albert Chau (HARVARD) 
"Stability for the Kahler Ricci flow on noncompact manifolds" 

December 06, 2002, 3:30 Pm at Science Center, Room 309 
MODULAR CURVES AND MODULAR FORMS SEMINAR 
Matt Baker (HARVARD) 
"Something Moderately Cool: Elliptic curves, the Abc conjecture,and points of small canonical height" 

December 10, 2001, 2:003:00 Pm at Science Center, Room 507 
FACULTY COLLOQUIUM 
HorngTzer Yau (HARVARD UNIVERSITY) 
"Some unsolved problems in quantum physics" 

December 12, 2005, 3:00pm at Science Center, Room 507 
NORTHEASTERNBRANDEISMITHARVARD COLLOQUIUM 
Joan Birman (COLUMBIA UNIVERSITY) 
"Some open problems about mapping class groups of surfaces" 

April 07, 2005, 4:30pm at Science Center, Lecture Hall D 
BASIC NOTIONS SEMINAR 
Cliff Taubes (HARVARD) 
"Some Research Questions in Differential Topology". 

October 06, 2003, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Clifton Cunningham (UNIVERSITY OF CALGARY) 
"Some Remarks on Geometry, Orbital Integrals and Characters" 

April 21, 2004, 3:00  4:00 Pm at Science Center, Room 507 
COLLOQUIUM 
Avi Wigderson (IAS, PRINCETON & HEBREW UNIVERSITY) 
"Some Insights of Computational Complexity Theory 

May 03, 2001, 4:305:30 Pm at Science Center, Hall D 
SEMINAR ON COMPLEX GEOMETRY AND ANALYSIS 
YumTong Siu (HARVARD) 
"Smooth Leviflat submanifolds in compact Hermitian symmetric spaces" 

October 27, 2003, 4:15 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Noam D. Elkies (HARVARD) 
"Six Ways of Looking at Aut(S6)' 

September 17, 2001, 3:004:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Maryam Mirzakhani (HARVARD AND PRINCETON) 
"Simple geodesics and geometry of moduli spaces of curves" 

April 21, 2006, 3:154:15pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Victor Guillemin (MIT) 
"Signature Quantization" 

November 07, 2003, 3:30 Pm at Science Center, Room 309 
NUMBER THEORY SEMINAR 
Samit Dasgupta (HARVARD UNIVERSITY) 
"Shintani zetafunctions and GrossStark units for totally real fields" 

April 26, 2006, 3:00pm at Science Center, Room 507 
HARVARDMIT ALGEBRAIC GEOMETRY SEMINAR 
Victor Rotger (UNIVERSITAT POLITECNICA DE CATALUNYA) 
"Shimura Curves Embedded in Igusa's Threefold" 

December 10, 2002, 3:00 Pm at Science Center, Room 507 
HARVARD, BRANDEIS, M.I.T., NORTHEASTERN COLLOQUIUM 
Leon Ehrenpreis (TEMPLE UNIVERSITY) 
"Sharpening the Edge of the Wedge Theorem" 

May 6, 2004, 4:00  6:00 Pm at Science Center, Hall D 
GEOMETRY SEMINAR 
Dylan Thurston (HARVARD UNIVERSITY) 
"Shadow Diagrams: Representing 4Manifolds with 2Complexes" 

April 21, 2004, 5:00  6:00 Pm at Science Center, Room 530 
NUMBER THEORY SEMINAR 
Ariane Mezard (ECOLE NORMALE SUPéRIEURE, FRANCE) 
"Semistable representations of Gl2(Qp) and padic upper half plane" 

May 24, 2006, 3:00pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Ciprian Manolescu (HARVARD) 
"SeibergWittenFloer stable homotopy type of threemanifolds" 

April 13, 2001, 3:305:00 Pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Yann Rollin (MIT) 
"SeibergWitten equations and Einstein rigidity of the complex hyperbolic plane." 

October 04, 2002, 3:305:00 Pm at Science Center, Room 309 
ANALYSIS SEMINAR 
Fanghua Lin (COURANT INSTITUTE NEW YORK UNIVERSITY) 
"Segregations, Partitions and Maps into Singular Spaces" 

November 08, 2005, 2:15pm at Science Center, Room 232 
THE TEACHING UNDERGRADUATE MATHEMATICS SEMINAR (TUMS) 
Matthew Leingang (HARVARD UNIVERSITY) 
"Seeking Points: A Case Study" 

March 04, 2005, 1:303:00pm at Science Center, Room 316 
GEOMETRIZATION SEMINAR 
John Holt (HARVARD) 
"Season Final: Completion of the proof in the fibered case" 

May 04, 2001, 1:00 Pm at Science Center, Room 530 
BASIC NOTIONS SEMINAR 
Thomas Lam (HARVARD UNIVERSITY) 
"Schubert polynomials for affine Grassmannians'' 

November 28, 2005, 3:00pm at Science Center, Room 507 

Michael Hopkins (HARVARD UNIVERSITTY) 
"SEMINAR ON TWISTED KTHEORY AND REPRESENTATIONS OF LOOP GROUPS" 

February 13, 2006, 3:00pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Michael Hutchings (BERKELEY) 
"Rounding corners of polygons and the embedded contact homology of T^3" 

October 18, 2002, 3:30 Pm at Science Center, Room 309 
DIFFERENTIAL GEOMETRY SEMINAR (ORGANIZED BY PROF. SHINGTUNG YAU) 
Pan Peng (HARVARD UNIVERSITY) 
"Ring structure in topological string partition function" 

October 18, 2005, 4:306:00pm at Science Center, Room 507 
COMPLEX GEOMETRY AND ANALYSIS 
JunMuk Hwang (KOREA INSTITUTE FOR ADVANCED STUDY/VISITING HARVARD) 
"Rigidity of surjective holomorphic maps between projective varieties" 

September 15, 2003, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
David Pollack (WESLEYAN UNIVERSITY) 
"Rigidity of padic cohomology classes for GL_3" 

December 07, 2005, 3:00pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR (ORGANIZED BY PROF. SHINGTUNG YAU) 
XiPing Zhu (CHINESE UNIVERSITY OF HONG KONG & SHONGSHAN UNIVERSITY) 
"Ricci Flow" 

October 13, 2005, 11:30 am1:00 pm at Science Center, Room 530 
DIFFERENTIAL GEOMETRY SEMINAR ( ORGANIZED BY PROF. SHINGTUNG YAU) 
XiPing Zhu (CHINESE UNIVERSITY OF HONG KONG & SHONGSHAN UNIVERSITY) 
"Ricci Flow" 

September 23, 2005, 1:002:00pm at Science Center, Room 530 
DIFFERENTIAL GEOMETRY SEMINAR (ORGANIZED BY PROF. SHINGTUNG YAU" 
XiPing Zhu (CHINESE UNIVERSITY OF HONG KONG & SHONGSHAN UNIVERSITY) 
"Ricci Flow" 

October 06, 2005, 11:30am1:00pm at Science Center, Room 530 
DIFFERENTIAL GEOMETRY SEMINAR (ORGANIZED BY PROF. SHINGTUNG YAU) 
XiPing Zhu (ZHONGSHAN UNIVERSITY & CHINESE UNIVERSITY OF HONG KONG) 
"Ricci Flow" 

September 29, 2005, 11:3012:30pm at Science Center, Room 530 
DIFFERENTIAL GEOMETRY SEMINAR (ORGANIZED BY PROF. SHINGTUNG YAU) 
XiPing Zhu (CHINESE UNIVERSITY OF HONG KONG & SHONGSHAN UNIVERSITY) 
"Ricci Flow" 

October 21, 2005, 2:003:00pm at Science Center, Room 530 
DIFFERENTIAL GEOMETRY SEMINAR (ORGANIZED BY PROF. SHINGTUNG YAU) 
XiPing Zhu (CHINESE UNIVERSITY OF HONG KONG & SHONGSHAN UNIVERSITY) 
"Ricci Flow" 

October 14, 2005, 1:002:00pm at Science Center, Room 530 
DIFFERENTIAL GEOMETRY SEMINAR 
XiPing Zhu (ZHONGSHAN UINVERSITY & CHINESE UNIVERSITY OF HONG KONG) 
"Ricci Flow" 

September 20, 2005, 1:002:00pm at Science Center, Room 232 
THE MATHEMATICS EDUCATION SPEAKER SERIES 
Tim Gutmann (UNIVERSITY OF NEW ENGLAND) 
"Research on the Professional Lives of Teaching Assistants: a Primer on the Status of Research in the Community and a Discussion of Research Questions and Issues" 

February 18, 2005, 2:003:00pm at Science Center, Room 316 
NUMBER THEORY SEMINAR 
Alexander Stasinski (HARVARD UNIVERSITY) 
"Representations of reductive groups over finite rings and extended DeligneLusztig varieties" 

February 22, 2006, 3:00 pm at Science Center, Room 507 
SEMINAR ON TWISTED KTHEORY AND REPRESENTATIONS OF LOOP GROUPS 
Dennis Gaitsgory (HARVARD UNIVERSITY) 
"Representations of Loop Groups" 

April 13, 2006, 34:30pm at Science Center, Room 507 
SPECIAL SEMINAR 
David Kazhdan (HARVARD) 
"Representations of Groups over two dimensional fields" 

January 31, 2003, 1:002:00 Pm at Science Center, Room 507 
JOINT MATHEMATICS COLLOQUIUM 
Richard Borcherds (UNIVERSITY OF CALIFORNIA, BERKELEY) 
"Renormalization" 

September 26, 2002, 4:305:30 Pm at Science Center, Hall D 
GAUGE THEORY AND TOPOLOGY SEMINAR 
YiJen Lee (PRINCETON) 
"Reidemeister torsion in symplectic Floer theory and counting pseudoholomorphic tori". 

March 15, 2002, 3:30 Pm at Science Center, Room 309 
DIFFERENTIAL GEOMETRY SEMINAR (ORGANIZED BY PROF. SHINGTUNG YAU) 
Andrei Todorov (UC SANTA CRUZ) 
"Regularized determinants of CalabiYau metrics" 

February 21, 2006, 4:30pm at Science Center, Room 507 
ALGEBRAICGEOMETRY SEMINAR 
Robert Friedman (COLUMBIA UNIVERSITY) 
"Regular elements and principal bundles" 

March 04, 2003, 3:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
YE TIAN (MCGILL UNIVERSITY) 
"Rational points on modular abelian varieties" 

December 16, 2005, 2:003:00pm at SCIENCE CENTER ROOM 507 
NUMBER THEORY SEMINAR 
Prof. Mazur (HARVARD) 
"Rational connectivity, rational sections and rational points" 

December 11, 2002, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
ShouWu Zhang (COLUMBIA UNIVERSITY) 
"Rational Points on Hyper or Super Elliptic Curves" 

February 25, 2004, 3:00  4:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Frank Calegari (HARVARD UNIVERSITY) 
"Rational Homology Spheres and Automorphic Forms" 

November 04, 2005, 3:30pm at Science Center, Room 309 
NUMBER THEORY SEMINAR 
Andre Reznikov (TELAVIV UNIVERSITY) 
"RankinSelberg type spectral identities and Gelfand pairs" 

February 15, 2006, 3:00 pm at Science Center, Room 507 
MATHEMATICAL PHYSICS SEMINAR 
Thomas Spencer (SCHOOL OF MATHEMATICS, INSTITUTE FOR ADVANCED STUDY) 
"Random Matrices and Hyperbolic Symmetry" 

April 13, 2004, 4:30 Pm at Jefferson Laboratory, Room 453 
NUMBER THEORY SEMINAR 
Frank Calegari (HARVARD) 
"Ramification of Hecke Algebras" 

October 15, 2003, 3:004:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
XIPING ZHU (ZHONGSHAN UNIVERSITY & CHINESE UNIVERSITY OF HONG KONG) 
"RICCI FLOW" 

November 03, 2005, 1.30  1.00 PM at SCIENCE CENTER room 530 
DIFFERENTIAL GEOMETRY SEMINAR 
XIPING ZHU (ZHONGSHAN UNIVERSITY & CHINESE UNIVERSITY OF HONG KONG) 
"RICCI FLOW" 

October 27, 2005, 11:30am12:30pm at Science Center, Room 530 
JOINT COLLOQUIUM 
Hiraku Nakajima (KYOTO UNIVERSITY) 
"Quiver varieties and quantum toroidal algebras" 

February 20, 2003, 4:305:30 Pm at Science Center, Hall D 
THE MODULAR SEMINAR 
Lassina Dembele (UNIVERSITY OF CALGARI AND BRANDEIS) 
"Quaternionic Modular Symbols and Computing Hilbert Modular Forms" 

March 18, 2004, 3:00 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Tatiana Toro (UNIVERSITY OF WASHINGTON) 
"Quasisymmetric embeddings of R^n" 

November 19, 2001, 3:004:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
HsianHua Tseng (UC BERKELEY) 
"Quantum riemannroch theorem in orbifold gromovwitten theory" 

March 22, 2005, 1:15pm at Science Center, Room 232 
DIFFERENTIAL GEOMETRY SEMINAR 
Sergey Gukov (CLAY INSTITUTE) 
"Quantum geometry of hyperbolic 3manifolds" 

December 02, 2003, 1:30 P.M. at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
HorngTzer Yau (COURANT INSTITUTE OF MATHEMATICAL SCIENCES) 
"Quantum dynamics of manybody systems and nonlinear Schrodigner" 

October 22, 2002, 1:30Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Cumrun Vafa (HARVARD UNIVERSITY) 
"Quantum Foam and Topological Strings" 

April 30, 2004, 3:305:00 Pm at Science Center, Room 309 
GEOMETRY SEMINAR 
Akshay Vankatesh (M.I.T.) 
"Quantum Chaos on Locally Symmetric Spaces and CartunInvariant Measures" 

April 28, 2004, 5:00  6:00 Pm at Science Center, Room 530 
DIFFERENTIAL GEOMETRY SEMINAR 
H.T. Yau (STANFORD UNIVERSITY) 
"Quantum Brownian Motion and Random Schrodinger Equation" 

April 20, 2004, 4:30 Pm at Science Center, Room 507 
SYMPLECTIC GEOMETRY LEARNING SEMINAR 
Tom Coates (HARVARD UNIVERISTY) 
"Quantization and GromovWitten Theory" 

February 11, 2005, 12:001:00pm at Science Center, Room 232 
HARVARDMIT ALGEBRAIC GEOMETRY SEMINAR 
Tom Coates (HARVARD) 
"Quantization and GromovWitten Theory" 

September 16, 2003, 3:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Lenny Ng (STANFORD) 
"Pseudoholomorphic curves and knot invariants" 

October 17, 2003, 3:30 Pm at Science Center, Room 309 
SPECIAL SEMESTER ON EIGENVARIETIES 
Richard Taylor (HARVARD UNIVERSITY) 
"Proving modularity without Ihara's lemma" 

April 07, 2006, 3:00pm at Science Center, Room 507 
SPECIAL SEMESTER ON EIGENVARIETIES 
Richard Taylor (HARVARD UNIVERSITY) 
"Proving modularity without Ihara's lemma" 

April 4, 2006, 3:00pm at Science Center, Room 507 
SPECIAL SEMESTER ON EIGENVARIETIES 
Richard Taylor (HARVARD UNIVERSITY) 
"Proving modularity without Ihara's lemma" 

April 05, 2006, 1:00pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Peter Kronheimer (HARVARD UNIVERSITY) 
"Property P For Knots" 

February 27, 2004, 3:305:30 Pm at Science Center Room, 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Hubert Bray (MIT) 
"Proof of the Poincare Conjecture for 3Manifolds with Yamabe Invariant Greater Than Rp^3" 

March 07, 2003, 3:30 Pm at Science Center, Room 309 
GEOMETRIZATION SEMINAR 
Maryam Mirzakhani (HARVARD) 
"Projective measured laminations and surface homeomorphisms" 

April 06, 2001, 1:002:00 Pm at Science Center, Room 530 
DIFFERENTIAL GEOMETRY SEMINAR (ORGANIZED BY PROF. SHINGTUNG YAU) 
MuTao Wang (COLUMBIA UNIVERSITY) 
"Positivily of QuasiLocal mass" 

October 14, 2005, 4:306:00pm at Science Center, Room 530 
NUMBER THEORY SEMINAR 
Noam Elkies (HARVARD) 
"Points of low canonical height on elliptic curves and surfaces" 

May 08, 2002, 3:004:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
CHIENHAO LIU (HARVARD UNIVERSITY) 
"Phase structures in superstring theory and transitions of GromovWitten invariants" 

December 13, 2005, 4:305:30pm at SCIENCE CENTER ROOM 507 
ALGEBRAIC GEOMETRY SEMINAR 
Amnon Yekutieli (BEN GURION UNIVERSITY, ISRAEL) 
"Perverse sheaves and dualizing complexes over noncommutative ringed schemes" 

February 05, 2002, 3:004:00 Pm at Science Center, Room 507 
JOINT COLLOQUIUM 
Fernando RodriguezVillegas (UNIVERSITY OF TEXAS) 
"Periods, Lfunctions, and Knots" 

September 28, 2001, 4:005:00 Pm at Science Center, Hall D 
MODULAR CURVES SEMINAR 
Romyar Sharifi (HARVARD UNIVERSITY) 
"Periods of cusp forms and the Galois Lie algebra" 

May 13, 2002, 2:00 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Bob Strain (HARVARD UNIVERSITY) 
"Partial Differential Equations and Ludwig Boltzmann" 

November 14, 2005, 3:004:00pm at Science Center, Room 507 
INFORMAL ALGEBRAIC GEOMETRY SEMINAR 
Linda Chen (COLUMBIA UNIVERSITY) 
"Orbifold Chow ring of stacky toric varieties" 

April 03, 2003, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Mihran Papikian (UNIVERSITY OF MICHIGAN) 
"Optimal elliptic curves and their jinvariants." 

November 13, 2002, 3:00 Pm at Scinece Center, Room 507 
SYMPLECTIC GEOMETRY LEARNING SEMINAR 
Ezra Getzler (UNIVERSITY OF CHICAGO) 
"Openclosed GromovWitten theory" 

February 18, 2005, 12:001:00 at Science Center, Room 232 
NUMBER THEORY SEMINAR 
LiangChung Hsia (NATIONAL CENTRAL UNIVERSITY, TAIWAN) 
"On the reduction of a nontorsion point of a Drinfeld module" 

November 14, 2001, 3:00 Pm at Science center, Room 507 
NUMBER THEORY SEMINAR 
Benedict Gross (HARVARD) 
"On the local divisibility of Heegner points" 

September 24, 2003, 3:004:00 Pm at Science Center, Room 507 
ANALYSIS SEMINAR 
Wilhelm Schlag (UNIVERSITY OF CHICAGO) 
"On the focusing, energy critical, semilinear wave equation in three dimensions" 

November 29, 2005, 2:30pm at Science Center, Room 232 
NUMBER THEORY SEMINAR 
Yoichi Mieda (TOKYO UNIVERSITY, JAPAN) 
"On the action of the Weil group on the ladic cohomology of rigid spaces over local fields" 

March 08, 2006, 3:00pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Matthias Flach (VISITING HARVARD) 
"On the Tamagawa Number Conjecture for Dirichlet Lfunctions" 

March 24, 2004, 3:00  4:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Claire Voisin (INSTITUTE MATHEMATIQUE DE JUSSIEU  PARIS, FRANCE) 
"On the Homotopy Types of Kaehler and Projective Manifolds" 

May 4, 2004, 4:30 Pm at Science Center, Room 507 
HARVARD, BRANDEIS, M.I.T., NORTHEASTERN COLLOQUIUM 
Claude LeBrun (SUNY STONY BROOK) 
"On the Curvature of 4Manifolds" 

May 20, 2004, 4:30 Pm at Science Center D 
HARVARD, BRANDEIS, M.I.T., NORTHEASTERN COLLOQUIUM AT HARVARD 
Igor Rodnianski (PRINCETON UNIVERSITY) 
"On the Cauchy problem in General Relativity" 

February 23, 2006, 4:30pm (There will be tea at 4pm in the 4th floor Common Area) at Science Center, Hall D 
DIFFERENTIAL GEOMETRY SEMINAR 
Cedric Villani (ECOLE NORMALE SUPERIEURE DELYON) 
"On the Boltzmann equation with longrange interactions" 

April 04, 2001, 4:00 Pm at Science Center, Room 530 
NUMBER THEORY SEMINAR 
Pierre Colmez (INSTITUT DE MATHEMATIQUES DE JUSSIEU) 
"On families of padic galois representions" 

October 16, 2002, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Elena Mantovan (HARVARD) 
"On certain unitary Shimura varieties." 

May 01, 2002, 3:004:00 Pm at Science Center, Room 507 
MIT/HARVARD ANALYSIS SEMINAR 
Natasa Pavlovic (PRINCETON UNIVERSITY) 
"On a periodic nonlinear Schrödinger equation" 

April 07, 2006, 4:15pm at MIT 2142 
MIT/HARVARD ANALYSIS SEMINAR 
Gang Zhou (TORONTO) 
"On Solitons Dynamics in Nonlinear Schr\"odinger Equations with potential." 

February 10, 2006, 4:15pm at Science Center, Room 222 
MODULAR CURVES SEMINAR 
William Stein (HARVARD) 
"Observations About the Arithmetic of Quotients of J_{1}(p)" 

October 29, 2002, 4:30 Pm at Science Center, Room 507 
MODULAR CURVES AND MODULAR FORMS SEMINAR 
Mak Trifkovic (HARVARD) 
"Nuts and Bolts" 

April 08, 2002, 2:003:00 Pm at Science Center, Room 507 
MIT/HARVARD ANALYSIS SEMINAR 
Alexander Barnett (DARTMOUTH COLLEGE) 
"Numerical study of the asymptotic rate of quantum ergodicity in chaotic billiards" 

March 17, 2006, 4:15 pm at MIT, Room 2142 
BASIC NOTIONS SEMINAR 
JeanPierre Serre (COLLEGE DE FRANCE) 
"Number of points mod m" 

November 07, 2005, 3:00pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Fred Diamond (BRANDEIS UNIVERSITY) 
"Nuclear families of Hilbert modular forms" 

April 24, 2002, 3:00 Pm at Science Center, Room 507 
MIT/HARVARD ANALYSIS SEMINAR 
Igor Rodnianski (PRINCETON UNIVERSITY) 
"Nonlinear wave equation and stability of Minkowski space I" 

April 06, 2006, 23:30pm at Science Center, Room 411 
MIT/HARVARD ANALYSIS SEMINAR 
Igor Rodnianski (PRINCETON UNIVERSITY) 
"Nonlinear wave equation and stability of Minkowski space II" 

April 10, 2006, 1:152:15pm at Science Center, Room 232 
SPECIAL LECTURE 
Juerg Froehlich (ETH HOENGGERBERG, ZUERICH) 
"Nonequilibrium statistical mechanics and thermodynamics" 

March 23, 2006, 3:00PM at Science Center, Lecture Hall E 
GAUGE THEORY AND TOPOLOGY SEMINAR 
YiJen Lee (PRINCETON UNIVERSITY) 
"Noncontractible periodic orbits, Gromov invariants, and Floertheoretic torsions". 

February 21, 2003, 3:30 Pm at Science Center, Room 309 
NUMBER THEORY SEMINAR 
Teruyoshi Yoshida (HARVARD UNIVERSITY) 
"Nonabelian LubinTate Theory and DeligneLusztig Theory for Gl_{n}" 

February 11, 2004, 3:30 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Mark Dickinson (UNIVERSITY OF MICHIGAN AT ANN ARBOR) 
"NonGorenstein Hecke algebras and the TaylorWiles method" 

September 18, 2002, 3:00 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Eric Sommers (HARVARD) 
"Nilpotent Elements in Simple Lie Algebras" 

April 23, 2001, 3:004:00 Pm at Science Center, Room 507 
GEOMETRY SEMINAR 
Nicolas Monod (UNIVERSITY OF CHICAGO) 
"Negative Curvature: from Geometric Group Theory to NonCommutative Measure Theory" 

April 5, 2004, 4:30  5:30 Pm at Science Center, Room 530 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Denis Auroux (MIT) 
"Near symplectic structures and Lefschetz pencils on smooth 4manifolds" 

April 08, 2005, 3:304:30pm at Science Center, Room 309 
MODULAR SEMINAR 
Dimitar Jetchev (HARVARD UNIVERSITY) 
"My Senior Thesis about Visibility of ShafarevichTate Groups" 

March 25, 2004, 3:00  4:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Raoul Bott (HARVARD) 
"Musings" 

September 27, 2002, 3:304:30 Pm at Science Center, Room 309 
FACULTY COLLOQUIUM 
YumTong Siu (HARVARD UNIVERSITY) 
"Multiplier ideals  a new technique linking analysis and algebraic geometry" 

October 31, 2005, 3:00pm at Science Center, Room 507 
INFORMAL ALGEBRAIC GEOMETRY SEMINAR 
Mihnea Popa (HARVARD) 
"Multiplier Ideals" 

February 07, 2002, 3:304:30 Pm at Science Center, Room 530 
INFORMAL ALGEBRAIC GEOMETRY SEMINAR 
Mihnea Popa (HARVARD) 
"Multiplier Ideals and Applications" 

February 21, 2002, 3:304:30 Pm at Science Center, Room 507 
INFORMAL ALGEBRAIC GEOMETRY SEMINAR 
Mihnea Popa (HARVARD) 
"Multiplier Ideals and Applications" 

February 14, 2002, 3:304:30 Pm at Science Center, Room 507 
SEMINAR ON COMPLEX GEOMETRY AND ANALYSIS 
JunMuk Hwang (KOREA INSTITUTE FOR ADVANCED STUDY/HARVARD) 
"Multiplicities of plurianticanonical divisors and degrees of Fano manifolds" 

October 20, 2003, 4:15 pm at Science Center, Room 507 
GALOIS AND FUNDAMENTAL GROUPS SEMINAR 
Alexander Goncharov (BROWN UNIVERSITY) 
"Multiple zetamotives and configuration spaces M_{{0,n}}" 

April 03, 2002, 2:00 Pm at Science Center, Room 507 
SPECIAL LECTURE 
V.Vologodsky (UNIVERSITY OF CHICAGO) 
"Motivic sheaves over a curve[PDF]" 

May 01, 2006, 45:00pm at Science Center, Room 232 
BASIC NOTIONS 
Marc Levine (NORTHEASTERN UNIVERSITY) 
"Motives" 

May 03, 2004, 34pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Ed Witten (IAS) 
"More on Twisted, N=4 Super YangMills Theory" 

December 02, 2005, 2:003:00pm at Science Center. Lecture Hall C 
SYMPLECTIC GEOMETRY LEARNING SEMINAR 
Tom Coates (HARVARD UNIVERSITY) 
"More about quantization and GromovWitten invariants" 

March 11, 2005, 12:001:00pm at Science Center, Room 232 
SYMPLECTIC GEOMETRY LEARNING SEMINAR 
Tom Coates (HARVARD UNIVERSITY) 
"More about quantization and GromovWitten invariants" 

March 04, 2005, 12:001:00pm at Science Center, Room 232 
GALOIS AND FUNDAMENTAL GROUPS SEMINAR 
Pete Clark (HARVARD) 
"More Geometric Galois Theory" 

February 20, 2002, 2:003:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Frances Kirwan (OXFORD UNIVERSITY) 
"Moduli spaces of bundles over curves revisited" 

March 04, 2005, 3:304:30pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Jeff Viaclovsky (MIT) 
"Moduli spaces of antiselfdual Riemannian metrics" 

March 03, 2006, 3:154:15pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Jeff Viaclovsky (M.I.T.) 
"Moduli Spaces of Critical Riemannian Metrics on FourManifolds." 

April 23, 2004, 3:305:00 Pm at Science Center, Room 309 
NUMBER THEORY SEMINAR 
David Savitt (HARVARD) 
"Modularity of some potentially BarsottiTate Galois representations" 

April 11, 2001, 3:004:00 Pm at Science Center, Room 507 
MODULAR CURVES AND MODULAR FORMS SEMINAR 
Marty Wiessman (HARVARD) 
"Modular forms over Quadratic Imaginary Fields" 

December 10, 2002, 4:30 Pm at Science Center, Room 507 
MODULAR CURVES SEMINAR 
Bill McGraw (MADISON) 
"Modular Form Congruences and Selmer Groups " 

October 01, 2002, 4:305:30 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
William Stein (HARVARD) 
"Modular Degrees of Elliptic Curves of Prime Conductor" 

December 10, 2003, 3:00 Pm at Science Center, Room 507 
THE ELLIPTIC CURVES AND MODULAR FORMS SEMINAR 
Frank Calegari (HARVARD UNIVERSITY) 
"Mod p representations on elliptic curves" 

September 29, 2004, 1:00Pm  2:00Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Chandrashekhar Khare (UNIVERSITY OF UTAH) 
"Mod p Galois representations" 

May 04, 2005, 3:004:00pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR (ORGANIZED BY PROF. SHINGTUNG YAU) 
Bing Cheng (CORNELL UNIVERSITY) 
"Minimization with the Affine Normal Direction" 

November 08, 2005, 4:306:00pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Michael Bush (UMASS AMHERST) 
"Mild prop groups and pextensions with restricted ramification" 

November 16, 2005, 3:00pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Don Zagier (MAXPLANCKINSTITUT) 
"Mellin transforms, zeta values and the Casimir effect" 

April 17, 2006, 3:00pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Jonathan Weitsman (UNIVERSITY OF CALIFORNIASANTA CRUZ) 
"Measures on Banach manifolds and supersymmetric quantum field theory" 

February 08, 2005, 4:30pm  5:30pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
MuTao Wang (COLUMBIA UNIVERSITY) 
"Mean Curvature Flow in Higher Codimension" 

March 05, 2002, 1:30 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
David Helm (HARVARD UNIVERSITY) 
"Mazur's principle for certain U(2,1) Shimura varieties" 

February 8, 2006, 3:00pm at Science Center, Room 507 
FACULTY COLLOQUIUM 
S.T. Yau (HARVARD UNIVERSITY) 
"Mathematical problems in general relativity" 

November 21, 2005, 3:004:00pm at Science Center, Room 507 
MODULAR CURVES SEMINAR 
Romyar Sharifi (HARVARD) 
"Massey Products and Ideal Class Groups". 

March 11, 2003, 4:30 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
ShingTung Yau (HARVARD) 
"Mass Gap for Schrodinger Operator" 

March 19, 2002, 1:30 Pm at Science Center, Room 507 
GEOMETRY SEMINAR 
Melissa Liu (HARVARD UNIVERSITY) 
"MarinoVafa Formula of OnePartition Hodge Integrals" 

February 16, 2004, 4:305:30 Pm at Science Center, Room 530 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Richard Wentworth (JOHN HOPKINS UNIVERSITY) 
"Mapping class groups and rigidity" 

April 27, 2001, 3:305:00 Pm at Science Center, Room 309 
THE TEACHING UNDERGRADUATE MATHEMATICS SEMINAR 
Robin Gottlieb and Kathy Paur (HARVARD UNIVERSITY) 
"Managing an Interactive Classroom" 

February 25, 2005, 2:003:00pm at Science Center, Room 316 
THE TEACHING UNDERGRADUATE MATHEMATICS SEMINAR 
Matthew Leingang and Derek Bruff (HARVARD UNIVERSITY) 
"Making Lessons Plans" 

February 04, 2005, 2:003:00pm at Science Center, Room 222 
MIT/HARVARD ANALYSIS SEMINAR 
Laszlo Erdoes (MUNICH) 
"Magnetic LiebThirring inequalities" 

February 24, 2006, 4:155:15pm at Science Center, Room 222 
ANALYSIS SEMINAR 
Jacob Sterbenz (UCSD) 
"Long time decay for the wave equation on Schwarzschild space and nonlinear scalar fields" 

October 25, 2005, 2:303:30pm at Science Center, Room 232 
ALGEBRAIC GEOMETRY SEMINAR 
Mircea Mustata (CLAY MATHEMATICS INSTITUTE AND HARVARD) 
"Log discrepancies, jet schemes and inversion of adjunction" 

September 17, 2002, 3:00 Pm at Science Center, Room 507 
MODULAR FORMS AND MODULAR FORMS SEMINAR 
Peter Green (HARVARD) 
"Local Langlands mod p" 

April 15, 2002, 2:003:00 Pm at Science Center, Room 507 
ALGEBRAIC GEOMETRY SEMINAR 
Charles Favre (UNIVERSITE PARIS 7) 
"Local Dynamics and Valuation Space" 

March 18, 2004, 3:00  4:00 Pm at Science Center Room 530 
BASIC NOTIONS SEMINAR 
Matt Baker (HARVARD) 
"Linear recurrence sequences, padic analysis, and Diophantine equations" 

April 01, 2002, 3:004:00 Pm at Science Center, Room 507 
GALOIS AND FUNDAMENTAL GROUPS SEMINAR 
Romyar Sharifi (HARVARD) 
"Lie algebras associated to Galois actions" 

February 27, 2002, 2:00 Pm at Science Center, Room 507 
MIT/HARVARD ANALYSIS SEMINAR 
Simone Warzel (PRINCETON UNIVERSITY) 
"Level statistic on a tree" 

April 14, 2006, 3:104:10pm at Science Center, Room 530 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Denis Auroux (MIT) 
"Lefschetz fibrations in homological mirror symmetry." 

September 26, 2003, 3:304:30 Pm at Science Center, Room 309 
BASIC NOTIONS SEMINAR 
Gabrielle Nebe (ULM UNIVERSITY) 
"Lattices and spherical designs" 

March 11, 2002, 3:004:00 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Michael McQuillan (HARVARD UNIVERSITY) 
"La Joie des Champs" 

May 02, 2005, 3:004:00pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Greg Landweber (UNIVERSITY OF OREGON) 
"Kirwan Surjectivity for Ktheory" 

March 18, 2005, 3:304:30 at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Igor Rodnianski (PRINCETON UNIVERSITY) 
"KirchoffSobolev formula and applications to YangMills and General Relativity" 

February 24, 2006, 3:154:15pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Sergei Gukov (HARVARD UNIVERSITY) 
"KhovanovRozansky Homology and Topological Strings" 

March 25, 2005, 3:304:30pm at Science Center ,Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Dror BarNatan (UNIVERSITY OF TORONTO) 
"Khovanov's homology for tangles and cobordisms". 

April 18, 2003, 3:30 Pm at Science Center, Room 309 
DIFFERENTIAL GEOMETRY SEMINAR 
Ilya Zharkov (HARVARD) 
"Kahler affine structures" 

October 21, 2003, 1:30 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Noam Elkies (HARVARD UNIVERSITY) 
"K3 and elliptic surfaces of high Qrank" 

November 30, 2005, 3:00pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Hiraku Nakajima (KYOTO UNIVERSITY) 
"Ktheoretic Donaldson invariants" 

March 17, 2006, 3:154:15pm at Science Center, Room 309 
SERIES OF LECTURES BY DYLAN THURSTON 
Dylan Thurston (HARVARD) 
"Jacobi Diagrams Iii: Finite Type Invariants" 

April 24, 2001, 4:30 Pm at Science Center, Room 530 
THE MODULAR CURVES SEMINAR 
Brian Conrad () 
"J_{1}(p) has connected fibers" 

September 17, 2002, 4:305:30 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Luo Wei (HARVARD) 
"Jholomorphic curves in symplectisation of the unit cotangent bundle of a Riemann surface with genus greater than 1". 

October 03, 2003, 3:304:30 Pm at Science Center, Room 309 
NUMBER THEORY SEMINAR 
Ben Howard (HARVARD) 
"Iwasawa theory of Heegner points" 

October 09, 2002, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
John Coates (CAMBRIDGE UNIVERSITY) 
"Iwasawa algebras and arithmetic". 

April 17, 2002, 3:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Laura DeMarco (HARVARD UNIVERSITY) 
"Iteration at the Boundary of the Space of Rational Maps" 

May 7, 2004, 3:305:00 Pm at Science Center, Room 309 
HARVARDMIT ALGEBRAIC GEOMETRY 
Kieran O'Grady (UNIVERSITA DEGLI STUDI DI ROMA "LA SAPIENZA") 
"Involutions and Linear Systems on Holomorphic Irreducible Manifolds" 

October 14, 2003, 3:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Ron Fintushel (MICHIGAN STATE UNIVERSITY) 
"Invariants For Lagrangian Tori" 

March 5, 2004, 3:30  5:00 Pm at Science Center, Room 309 
INFORMAL ALGEBRAIC GEOMETRY SEMINAR 
Joseph Harris (HARVARD) 
"Introduction to rationally connected varieties" 

March 14, 2002, 3:304:30 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Elizabeth Denne (HARVARD UNIVERSITY) 
"Introduction to Geometric Knot Theory" 

April 18, 2005, 3:004:00pm at Science Center, Room 507 
MODULAR CURVES AND MODULAR FORMS 
William Stein (HARVARD) 
"Intro to Magma for Number Theorists" 

September 17, 2001, 2:003:00 Pm at Science Center, Room 507 
SEVERAL COMPLEX VARIABLES SEMINAR 
Nessim Sibony (UNIVERSITY OF PARIS AT ORSAY) 
"Intersection of positive currents and applications to dynamics" 

March 17, 2006, 1:002:00pm at Science Center, Room 232 
DIFFERENTIAL GEOMETRY SEMINAR 
JAKE SOLOMON (MIT) 
"Intersection Theory on the Moduli Space of Holomorphic Curves with Lagrangian Boundary Conditions" 

December 20, 2005, 4:305:30pm at Science Center, Room 507 
SPECIAL SEMINAR 
David Kazhdan (HEBREW UNIVERSITY OF JERUSALEM & HARVARD UNIVERSITY) 
"Integration over valued fields " ( a joint work with E. Hrushovski) 

September 27, 2005, 4:15pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Vladimir Berkovich (WEIZMANN INSTITUTE OF SCIENCE) 
"Integration of oneforms on $p$adic analytic spaces" 

February 19, 2003, 3:00 Pm at Scinece Center, Room 507 
NUMBER THEORY SEMINAR 
Vladimir Berkovich (WEIZMANN INSTITUTE OF SCIENCE, ISRAEL) 
"Integration Of Oneforms On Padic Analytic Spaces" 

February 18, 2004, 3:00  4:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Peter Teichner (UNIVERSITY OF CALIFORNIA AT BERKELEY) 
"Integral modular forms from super symmetric conformal field theories" 

April 14, 2006, 3:15pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Ilia Zharkov (HARVARD UNIVERSITY) 
"Integral affine structures" 

March 10, 2006, 3:154:15pm at Science Center, Room 309 
HARVARD UNIVERSITY DUALITY SEMINAR 
Detlev Buchholz (UNIVERSITäT GöTTINGEN) 
"Integrable Models and Operator Algebras" 

April 21, 2006, 11:45 am at Jefferson 453 
HARVARD, BRANDEIS, M.I.T., NORTHEASTERN COLLOQUIUM AT HARVARD 
Hiraku Nakajima (KYOTO UNIVERSITY) 
"Instanton counting and Donaldson invariants" 

March 16, 2006, 4:30pm at Science Center, Lecture Hall D 
SPECIAL SEMINAR 
Robert Coleman (UC BERKELEY) 
"Informal discussion about what we think we know, and what we want to know about the classical eigencurve" 

May 05, 2006, 3:00pm at Science Center, Room 507 
SPECIAL SEMINAR 
Barry Mazur (HARVARD) 
"Informal Lecture on the Anticyclotomic Arithmetic of Elliptic Curves" 

May 21, 2002, 2:003:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Gabrielle Nebe (ULM/HARVARD) 
"Ideal Lattices" 

November 12, 2003, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Edray Goins (CALIFORNIA ISTITUTE OF TECHNOLOGY) 
"Icosahedral QCurves." 

December 05, 2001, 3:00 Pm at Science Center, Room 507 
COMPLEX GEOMETRY AND ANALYSIS SEMINAR 
Joseph J. Kohn (PRINCETON UNIVERSITY) 
"Hypoellipticity and loss of derivatives" 

December 8, 2003, 11:00 am at Science Center, Rm 103b 
MODULAR CURVES AND MODULAR FORMS SEMINAR 
Fernando RodriguezVillegas (UNIVERSITY OF TEXAS) 
"Hypergeometric weight 4 forms" 

October 22, 2001, 2:003:00 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Noam Elkies (HARVARD UNIVERSITY) 
"Hypergeometric Functions" 

April 5, 2004, 3:00  4:00 Pm at Science Center, Room 507 
ALGEBRAIC GEOMETRY SEMINAR 
Jessica Young (MIT/HARVARD) 
"Hrushovski's proof of the Mordell Lang conjecture" 

April 08, 2003, 3:00 pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Dylan Thurston (HARVARD) 
"How efficiently do 3manifolds bound 4manifolds?" 

October 11, 2002, 3:30 Pm at Science Center, Room 309 
FACULTY COLLOQUIUM 
Michael Hopkins (HARVARD UNIVERSITY) 
"Homotopy groups" 

October 03, 2005, 3:00pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Veronique Godin (HARVARD UNIVERSITY) 
"Homology of some mapping class groups and string topology" 

October 07, 2005, 3:30pm at Science Center, Room 309 
DIFFERENTIAL GEOMETRY SEMINAR 
WeiDong Ruan (UNIVERSITY OF ILLINOISCHICAGO) 
"Homological mirror symmetry for weighted projective space through constructible sheaves" 

February 22, 2005, 4:30pm  5:30pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Rene Reinbacher (HARVARD UNIVERSITY) 
"Holomorphic Vector Bundles On Compact CalabiYau Threefolds With NonTrivial Fundamental Group" 

November 01, 2004, 12:00Pm  1:00Pm at Science Center, Room 221 
MODULAR CURVES SEMINAR 
Frank Calegari (HARVARD) 
"HodgeTate Stuff" 

October 15, 2002, 4:305:30 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Tom Braden (HARVARD) 
"Hodge Theory for Polytopes" 

April 30, 2001, 3:004:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Claire Voisin (INSTITUTE DE MATHEMATIQUE DE JUSSIEU) 
"Hodge Classes on Kaehler and Projective Manifolds" 

April 28, 2004, 4:00  5:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Fred Diamond (BRANDEIS) 
"Hilbert modular forms and mod p Galois representations" 

October 22, 2003, 3:004:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Manjul Bhargava (PRINCETON) 
"Higher Composition Laws" 

November 28, 2001, 3:00 Pm at Science Center, Room 507 
EXTRA NUMBER THEORY SEMINAR 
Vinayak Vatsal () 
"Heegner Points" 

May 01, 2002, 2:003:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Teruyoshi Yoshida (HARVARD UNIVERSITY) 
"Hecke correspondences and semistable reduction of Shimura varieties" 

March 22, 2006, 3:00pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Olivier Wittenberg (ECOLE NORMALE SUPéRIEURE (FRANCE)) 
"Hasse principle for del Pezzo surfaces of degree 4" 

April 05, 2006, 3:00pm at Science Center, Room 507 
SPECIAL SEMINAR IN COMPLEX ANALYSIS 
John Erik Fornaess (UNIVERSITY OF MICHIGAN AT ANN ARBOR) 
"Harmonic Currents" 

April 20, 2004, 4:00  5:00 Pm at Physics Department, Lyman Room 330 
GEOMETRY SEMINAR 
Tom Coates (HARVARD UNIVERSITY) 
"GromovWitten Theory For Beginners" 

March 08, 2004, 4:30  5:30 Pm at Science Center, Room 530 
BASIC NOTIONS SEMINAR 
Tom Coates (HARVARD UNIVERSITY) 
"GromovWitten Invariants" 

April 26, 2004, 3:00 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Seth Sullivant (HARVARD UNIVERSITY) 
"Groebner bases" 

March 20, 2006, 3:00 pm at Science Center, Room 507 
SPECIAL MATHEMATICS EDUCATION SEMINAR 
Maria Terrell (CORNELL UNIVERSITY) 
"Good Questions for Deep Learning of Mathematics" 

April 29, 2004, 2:30 Pm at Derek Bok Center, Room 316 
NORTHEASTERNBRANDEISMITHARVARD COLLOQUIUM 
Yasha Eliashberg (STANFORD UNIVERSITY) 
"Geometry of contact transformations: orderability vs. squeezing" 

March 17, 2005, 4:30pm at Science Center, Lecture Hall D 
BASIC NOTIONS SEMINAR 
S.T. Yau (HARVARD) 
"Geometry and Computer Graphics" 

October 27, 2003, 3:00 Pm at Science Center, Room 507 
SPECIAL LECTURE 
Shishyr Roan (INSTITUTE OF MATHEMATICS, ACADEMIA SINICA, TAIWAN) 
"Geometrical Characterization of Branching Indices of Affine ADE Diagrams" 

April 29, 2005, 3:30pm at Science Center, Room 232 
GEOMETRY SEMINAR 
Cumrun Vafa (HARVARD UNIVERSITY) 
"Geometric Physics" 

April 12, 2004, 4:30 Pm at Science Center, Room 530 
GEOMETRY SEMINAR 
Nicholas Ramsey (HARVARD UNIVERSITY) 
"Geometric Modular Forms" 

March 24, 2004, 5:00  6:00 Pm at Science Center, Room 530 
NUMBER THEORY SEMINAR 
Dennis Gaitsgory (HARVARD) 
"Geometric Langlands for Gl(n)" 

May 02, 2001, Part I: 3:004:00 Pm, Part Ii: 4:305:30 Pm at Science Center, Room 507 
NUMBER THEEORY SEMINAR 
Alexander Braverman (HARVARD) 
"Geometric Langlands correspondence for $\calD$modules in prime characteristic" 

October 02, 2002, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
David Helm (HARVARD UNIVERSITY) 
"Geometric JacquetLanglands correspondences for unitary Shimura varieties" 

March 09, 2005, 3:004:00pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Gang Tian (MIT) 
"Genus 2 Lefschetz fibrations". 

April 12, 2002, 3:30 Pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Marco Gualtieri (MIT) 
"Generalized complex manifolds in dimension four" 

February 17, 2006, 3:15pm4:15pm at Science Center, Room 309 
HARVARD, BRANDEIS, M.I.T., NORTHEASTERN COLLOQUIUM AT HARVARD 
Peter Teichner (UNIVERSITY OF CALIFORNIA, BERKELEY) 
"Generalized Cohomology via super symmetric Euclidean field theories" 

April 13, 2006, 4:30pm at Science Center, Lecture Hall D 
SPECIAL LECTURE 
Mihai Paun (STRASBOURG, FRANCE) 
"Generalization of a Theorem of KobayashiOchiai" 

April 22, 2005, 3:00 p.m. at Science Center Room 232 
NUMBER THEORY SEMINAR 
Ben Green (BRISTOL AND MIT) 
"Generalising the HardyLittlewood method for primes" 

October 26, 2005, 3:00pm at Science Center, Room 507 
HARVARD, BRANDEIS, M.I.T., NORTHEASTERN COLLOQUIUM AT HARVARD 
Edward Witten (INSTITUTE FOR ADVANCE STUDY) 
"Gauge Theory and the Geometric Langlands Program" 

December 01, 2005, 4:30pm at Science Center, Hall D 
NUMBER THEORY SEMINAR 
Philippe CassouNogues (BORDEAUX) 
"Galois module structure in Geometry" 

December 14, 2005, 3:00pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Richard Hain (DUKE/HARVARD) 
"Galois actions on fundamental groups of curves and the cycle CC^{}" 

November 06, 2002, 3:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Conan Leung (UNIVERSITY OF MINNESOTA) 
"G2 Geometry" 

April 13, 2004, 4:30 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Gordon Savin (UTAH/ HARVARD) 
"Functoriality of Theta Lifting for Generic Discrete Series" 

April 25, 2001, 3:004:00 Pm at Science Center, Room 507 
HARVARD, BRANDEIS, M.I.T., NORTHEASTERN COLLOQUIUM AT HARVARD 
Edward Bierstone (UNIVERSITY OF TORONTO) 
"Functoriality in resolution of singularities" 

November 10, 2005, 4:30pm at Science Center, Lecture Hall D 
FACULTY COLLOQUIUM 
Barry Mazur (HARVARD UNIVERSITY) 
"Functional Equations, signs, and their implications" 

February 06, 2006, 3:00 pm at Science Center, Room 507 
SPECIAL SEMINAR 
Martin Nowak (IAS) 
"From qvasispecies to universal grammar" 

May 09, 2002, 11:0012:00 Am at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Shinobu Hosono (TOKYO UNIVERSITY) 
"FourierMukai Partners and Mirror Symmetry of K3 Surfaces" 

February 26, 2002, 1:30 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
"Formal groups and cohomology theories" 

April 03, 2006, 3:00 pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Loic Merel (UNIVERSITY OF PARIS 7) 
"For a fistful of Lvalues." 

February 27, 2002, 3:004:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Jake Rasmussen (HARVARD) 
"Floer homology for knot complements" 

December 13, 2002, 3:30 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Paul Seidel (IAS) 
"Floer cohomology in dimensions n and n+1." 

March 08, 2002, 3:30 Pm at Science Center, Room 309 
NUMBER THEORY SEMINAR 
M Kisin (CHICAGO) 
"Flat deformation rings, local models of Shimura varieties and modularity" 

December 03, 2003, 3:00 Pm at Science Center, Room 507 
FACULTY COLLOQUIUM 
Martin Nowak (HARVARD UNIVERSITY) 
"Five rules for the evolution of cooperation" 

April 10, 2006, 3:00 pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Bjorn Andreas(Harvard) () 
"Five Brane  Instanton Transitions On CalabiYau Threefolds" 

September 23, 2003, 1:30 Pm at Science Center, Room 507 
THE BASIC NOTIONS SEMINAR 
Jon Hanke (DUKE UNIVERSITY) 
"Finiteness Theorems and Representing Numbers by Quadratic Forms" 

February 28, 2005, 3:004:00pm at Science Center, Room 507 
SPECIAL GAUGE THEORY AND TOPOLOGY SEMINAR 
Peter Teichner (UCSD) 
"Feynman diagrams and grope cobordism" 

May 07, 2001, 12:30 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Frans Oort (UTRECHT UNIVERSITY AND MIT) 
"Families of pdivisible groups" 

March 20, 2002, 3:00 Pm at Science Center, Room 507 
MODULAR SEMINAR 
Noam Elkies (HARVARD UNIVERSITY) 
"Explicit ShimuraBelyi Covers" 

April 22, 2004, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Catherine O'Neil (MIT) 
"Explicit 3descent on elliptic curves" 

March 19, 2003, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Steve Miller (HEBREW UNIVERSITY OF JERUSALEM, ISRAEL) 
"Expander graphs, GRH, and the elliptic curve discrete logarithm problem" 

September 21, 2005, 3:00 pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Zoltan Szabo (PRINCETON UNIVERSITY) 
"Exotic smooth structures on 4manifolds with small Euler characteristics" 

April 15, 2005, 3:304:30 at Science Center, Room 309 
SYMPLETIC GEOMETRY LEARNING SEMINAR 
Tom Coates (HARVARD UNIVERSITY) 
"Examples of the quantization/GromovWitten correspondence" 

March 25, 2005, 12:001:00pm at Science Center , Room 232 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Rosa SenaDias (HARVARD UNIVERSITY) 
"Estimated transversality and rational maps" 

December 09, 2005, 3:304:30pm at Science Center, Room 309 
CLAY PUBLIC LECTURE 
Professor Hendrik W. Lenstra ((LEIDEN UNIVERSITY)) 
"Escher and the Droste Effect" 

October 25, 2005, 7:00pm at Science Center, Lecture Hall B 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Aleksey Zinger (MIT) 
"Enumeration of GenusTwo Curves with a Fixed Complex Structure in LowDimensional Projective Spaces" 

November 30, 2001, 3:30 Pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Michael Hutchings (UNIVERSITY OF CALIFORNIA, BERKELEY) 
"Embedded contact homology" 

October 14, 2005, 3:30pm at Science Center, Room 309 
FACULTY COLLOQUIUM 
Richard Taylor (HARVARD UNIVERSITY) 
"Elliptic curves and Lfunctions" 

April 24, 2006, 3:00pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Samit Dasgupta (BERKELEY) 
"Elliptic Units for Real Quadratic Fields" 

January 14, 2004, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Kevin Buzzard (HARVARD/IMPERIAL COLLEGE) 
"Eigencurves for definite quaternion algebras" 

October 23, 2002, 3:00 Pm at Science Center, Room 507 
ALGEBRAIC GEOMETRY SEMINAR 
Curtis T. McMullen (HARVARD UNIVERSITY) 
"Dynamics on blowups of the projective plane" 

February 07, 2006, 3:00 pm at Science Center, Room 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Curt McMullen (HARVARD) 
"Dynamics on K3 surfaces" 

November 27, 2001, 3:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Vadim Kaloshin (AIM AND MIT) 
"Dynamics of an oil spill" 

September 25, 2001, 1:30pm at Science Center Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
HorngTzer Yau (HARVARD UNIVERSITY) 
"Dynamics of Bose gas and wellposedness of the nonlinear Schrodinger equation in infinite dimensions" 

September 30, 2005, 3:304:30pm at Science Center, Room 309 
SERIES OF LECTURES BY PROF. I.CHEREDNIK 
Ivan Cherednik (UNC CHAPEL HILL) 
"Double Affine Hecke Algebra & Fourier Transform" 

April 30, 2001, 3:30 Pm at Science Center, Room 338 
SERIES OF LECTURES BY PROF. I.CHEREDNIK 
Ivan Cherednik (UNC CHAPEL HILL) 
"Double Affine Hecke Algebra & Fourier Transform" 

April 23, 2001, 4:306:30 Pm at Science Center, Room 112 
SERIES OF LECTURES BY PROF. I.CHEREDNIK 
Ivan Cherednik (UNC CHAPEL HILL) 
"Double Affine Hecke Algebra & Fourier Transform" 

April 16, 2001, 4:306:30 Pm at Science Center, Room 112 
ANALYSIS SEMINAR 
Avraham Soffer (RUTGERS UNIVERSITY) 
"Dispersive decay, methods and applications" 

November 01, 2005, 1:002:30pm at Science Center, Room 232 
MODULAR CURVES AND MODULAR FORMS SEMINAR 
William Stein (HARVARD) 
"Discriminants of Hecke Algebras" 

September 24, 2002, 4:305:30 Pm at Science Center, Room 507 
SEMINAR ON TWISTED KTHEORY AND REPRESENTATIONS OF LOOP GROUPS 
Michael Hopkins (HARVARD UNIVERSITY) 
"Dirac Families" 

May 11, 2006, 34:30pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Richard Kenyon (UNIVERSITY OF BRITISH COLUMBIA) 
"Dimers and Amoebae" 

April 07, 2006, 3:15 pm at Science Center, Room 309 
BASIC NOTIONS SEMINAR 
Barry Mazur (HARVARD UNIVERSITY) 
"Differential Structures on Compact Manifolds and Padic LFunction" 

March 1, 2004, 3:004:00 Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Noam D. Elkies (HARVARD) 
"Differential Galois theory" 

November 26, 2001, 2 Pm at Sever Hall, Room 213 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Yael Karshon (UNIVERSITY OF TORONTO) 
"Diffeology of orbifolds" 

April 28, 2006, 3:15pm at Science Center, Room 309 
MIT/HARVARD ANALYSIS SEMINAR 
Robert Seiringer (PRINCETON UNIVERSITY) 
"Derivation of the GrossPitaevskii Equation for Rotating Bose Gases" 

February 03, 2006, 4:15 pm at Science Center, Room 222 
MODULAR CURVES SEMINAR 
Edray Goins (CALTECH) 
"Deformations of Galois Computations: An Adventure in Galois Cohomology" 

January 21, 2003, 4:305:30 Pm at Science Center, Room 507 
SEMINAR ON TWISTED KTHEORY AND REPRESENTATIONS OF LOOP GROUPS 
Michael Hopkins (HARVARD UNIVERSITY) 
"Definition of Twisted Ktheory" 

May 04, 2006, 34:30pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Martin Weissman (BERKELEY) 
"D4 Modular Forms" 

April 7, 2004, 3:00  4:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Satoshi Yamaguchi (HARVARD UNIVERSITY) 
"DBranes in n=2 LandauGinzburg theory and Liouville theory 

December 9, 2003, 1:30 pm at Science Center Rm 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Vu The Khoi (BRANDEIS) 
"Cutandpaste method for computing the Seifert volume" 

April 05, 2002, 3:30 Pm at Science Center, Room 309 
GEOMETRY SEMINAR 
Curt McMullen (HARVARD UNIVERSITY) 
"Curves in Moduli Space: Spin and Discriminant" 

May 5, 2004, 5:00  6:00 Pm at Science Center, Room 530 
BASIC NOTIONS SEMINAR 
Sebastian CasalainaMartin (HARVARD UNIVERSITY) 
"Curves and Jacobians" 

May 01, 2006, 3:00pm at Science Center, Room 507 
HARVARDMIT ALGEBRAIC GEOMETRY SEMINAR 
Johan DeJong (MIT) 
"Cubic Fourfolds and Spaces of Rational Curves" 

October 29, 2002, 3:00 Pm at Science Center, Room 507 
COLLOQUIUM 
Andrei Okounkov (PRINCETON UNIVERSITY) 
"Crystal shapes and algebraic curves" 

November 20, 2003, 4:30 Pm at Science Centr, Hall D 
SPECIAL SEMINAR 
Stanislav Smirnov (KTH, STOCKHOLM & CALTECH, PASADENA) 
"Critical percolation in the plane is conformally invariant" 

April 24, 2001, 3:004:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Stas Smirnov (KTH, STOCKHOLM) 
"Critical lattice models and conformal invariance". 

October 25, 2002, 3:30 Pm at Science Center, Room 309 
MODULAR CURVES SEMINAR 
Akshay Venkatesh () 
"Counting Special Automorphic Forms" 

April 29, 2003, 4:30 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Akshay Venkatesh (M.I.T.) 
"Counting Number Fields by Discriminant" 

March 3, 2004, 3:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Amer Iqbal (HARVARD) 
"Counting Curves in Local Hirzebruch Surfaces". 

February 28, 2003, 3:30 Pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Gordana Matic (UNIVERSITY OF GEORGIA) 
"Convex decompositions of contact manifolds" 

April 06, 2001, 3:305:00 Pm at Science Center, Room 309 
JOINT COLLOQUIUM 
J.W. Cogdell (OKLAHOMA STATE UNIVERSITY) 
"Converse Theorems and Functoriality" 

October 09, 2003, 4:305:30 at Science Center, Hall D 
GAUGE THEORY AND TOPOLOGY SEMINAR 
David Gay (UNIVERSITY OF QUEBEC, MONTREAL) 
"Constructing Symplectic Forms Which Vanish Along Circles" 

February 06, 2004, 3:30 Pm at Science Center, Room 309 
NUMBER THEORY SEMINAR 
Robert Pollack (BOSTON UNIVERSITY) 
"Congruences, Iwasawa invariants and Kida's formula" 

March 15, 2006, 3:00 pm at Science Center, Room 507 
MODULAR CURVES SEMINAR 
Kevin Buzzard (HARVARD) 
"Computing Weight One Modular Forms" 

October 22, 2002, 4:30 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Stephen S.T. Yau (UNIVERSITY OF ILLINOIS AT CHICAGO) 
"Complex Plateau Problem in C^3" 

February 22, 2002, 4:30 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
XiPing Zhu (ZHONGSHAN UNIVERSITY & CHINESE UNIVERSITY OF HONG KONG) 
"Complete noncompact Kahler manifolds with positive bisectional curvature" 

November 22, 2005, 4:305:30pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Teruyoshi Yoshida (HARVARD UNIVERSITY) 
"Compatibility of local and global Langlands correspondence for Gl_{n}" (joint work with Richard Taylor) 

March 23, 2005, 3:004:00pm at Science Center, Room 507 
MODULAR CURVES SEMINAR 
Toby Gee () 
"Companion Forms" 

December 03, 2002, 4:30 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Saso Strle (MCMASTER UNIVERSITY) 
"Cobordisms of rational homology spheres and 4ball genus" 

December 05, 2003, 3:30 Pm at Science Center, Room 309 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Andreea Nicoara (HARVARD) 
"Closed Range Considerations for the Tangential CauchyRiemann Operator on Weakly Pseudoconvex Cr Manifolds of Dimension Three." 

October 24, 2003, 3:30 Pm at Science Center, Room 309 
NUMBER THEORY SEMINAR 
Gabriele Nebe (UNIVERSITAT ULM) 
"Clifford groups and Barnes Wall lattices" 

March 13, 2002, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Peter Sarnak (PRINCETON UNIVERSITY) 
"Classical Versus Quantum Fluctuations on the Modular Surface 

March 17, 2004, 3:00  4:00 Pm at Science Center, Room 507 
JOINT MATHEMATICS COLLOQUIUM 
Loic Merel (UNIVERSITY OF PARIS 7) 
"Class number formulas" 

February 21, 2002, 4:305:30 Pm at Science Center, Hall D 
MODULAR CURVES AND MODULAR FORMS SEMINAR 
Teruyoshi Yoshida (TOKYO) 
"Class field theory for curves over local fields and X_{0}(p) over Q_{p}" 

March 18, 2002, 2:003:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Bong Lian (BRANDEIS UNIVERSITY) 
"Chiral equivariant cohomology" 

March 14, 2006, 4:305:30pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Is Singer (MIT) 
"Chiral anomalies and determinant line bundles" 

March 01, 2002, 3:30 Pm at Science Center, Room 309 
DIFFERENTIAL GEOMETRY SEMINAR 
STEVEN ROSENBERG (BOSTON UNIVERSITY) 
"ChernSimons classes on loop spaces." 

November 29, 2005, 4:305:30pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
William Stein (HARVARD) 
"Charting the Land of Elliptic Curves" 

March 20, 2002, 2:003:00 Pm at Science Center, Room 507 
SEVERAL COMPLEX VARIABLES SEMINAR 
Mihai Paun (UNIVERSITY OF SRASBOURG) 
"Characterization of the Kahler cone" 

April 05, 2002, 2:00 Pm at Science Center, Room 507 
HARVARDMIT ALGEBRAIC GEOMETRY SEMINAR 
Christopher Hacon (UNIVERSITY OF UTAH) 
"Characterization of Abelian Varieties" 

November 12, 2002, 3:00 Pm at Science Center, Room 507 
THE TEACHING UNDERGRADUATE MATHEMATICS SEMINAR (TUMS) 
Derek Bruff (HARVARD UNIVERSITY) 
"Caught on Tape: Clips of Teachers in Action" 

February 11, 2005, 23pm at Science Center 222 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Yuli Rudyak (UNIVERSITY OF FLORIDA) 
"Category Weight and the Arnold Conjecture on Symplectic Fixed Points" 

March 12, 2004, 3:30  5:00 Pm at Science Center, Room 309 
NORTHEASTERNBRANDEISMITHARVARD COLLOQUIUM 
Sergey Fomin (UNIVERSITY OF MICHIGAN) 
"Catalan combinatorics of arbitrary type" 

March 24, 2005, 4:30 at Science Center, Lecture Hall D 
NUMBER THEORY SEMINAR 
Brian Conrad (UNIVERSITY OF MICHIGAN, VISITING CMI) 
"Canonical subgroups in padic families of abelian varieties" 

April 27, 2005, 3:004:00pm at Science Center, Room 507 
THE NUMBER THEORY SEMINAR 
Matt Baker (HARVARD) 
"Canonical heights over abelian extensions" 

February 20, 2002, 3:004:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Kiran Kedlaya (MIT) 
"Bounding Picard numbers of surfaces, or How to succeed in coding theory without really trying" 

November 02, 2005, 3:00pm at Science Center, Room 507 
ALGEBRAIC GEOMETRY SEMINAR 
James McKernan (UNIVERSITY OF CALIFORNIA, SANTA BARBARA) 
"Boundedness of Fano varieties" 

May 27, 2003, 3:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Danny Calegari (HARVARD) 
"Bounded cochains on 3manifolds" 

February 15, 2002, 3:30 Pm at Science Center, Room 309 
ANALYSIS SEMINAR 
ShihHsien Yu (CITY UNIVERSITY OF HONG KONG) 
"Boltzmann Green's function and its applications" 

May 12, 2006, 11:00am at Science Center, Room 232 
DIFFERENTIAL GEOMETRY SEMINAR 
Garry Gibbons (UNIVERSITY OF CAMBRIDGE) 
"Bohm and other exotic Einstein Metrics and the stability of higher dimensional black holes" 

December 16, 2003, 1:30 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR (ORGANIZED BY PROF. SHINGTUNG YAU) 
Rene Reinbacher (RUTGERS UNIVERSITY) 
"Bogomolov and Beyond" 

March 21, 2006, 4:30pm at Science Center, Room 507 
ALGEBRAIC GEOMETRY SEMINAR 
Joao Santos (MIT) 
"Blowups of surfaces and moduli of framed vector bundles" 

October 01, 2002, 3:00 Pm at Science Center, Room 507 
MODULAR SEMINAR 
John Voight (UC BERKELEY) 
"Binary Quadratic Forms that Represent Almost the Same Primes" 

April 20, 2004, 2:00 3:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Curt McMullen (HARVARD UNIVERSITY) 
"Billiards and dynamics of Sl(2,R) over moduli space" 

December 12, 2003, 3:30 Pm at Science Center, Room 309 
HARVARDMIT ALGEBRAIC GEOMETRY SEMINAR 
Curt McMullen (HARVARD) 
"Billiards and Curves on Hilbert Modular Surfaces" 

February 04, 2003, 3:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Xiao Wei Wang (HARVARD) 
"Balanced Point, Bergmann Kernel and Stability of Vector Bundle" 

February 12, 2002, 1:30 Pm at Science Center, Room 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Keiji Oguiso (UNIVERSITY OF TOKYO) 
"Automorphism groups in a family of K3 surfaces" 

November 13, 2001, 3:00 Pm at Science Center, Room 507 
MODULAR CURVES SEMINAR 
Wilfried Schmid (HARVARD) 
"Automorphic distributions, Lfunctions, and functional equations" 

April 15, 2003, 4:30 Pm at Science Center, Room 507 
FACULTY COLLOQUIUM 
Wilfried Schmid (HARVARD UNIVERSITY) 
"Automorphic distributions and Lfunctions" 

March 13, 2006, 3:00pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
David Burns (KINGS' COLLEGE OF LONDON) 
"Aspects of NonCommutative Iwasawa Theory" 

April 14, 2004, 3:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Selman Akbulut (MICHIGAN STATE UNIVERSITY) 
"Aspects of 7manifolds with G2 holonomy" 

April 29, 2005, 3:304:30pm at Science Center, Room 309 
COLLOQUIUM 
Eduard Looijenga (UTRECHT UNIVERSITY) 
"Arrangements and moduli spaces" 

April 12, 2001, 4:305:30 Pm at Science Center, Hall D (there will be a tea at 4:00Pm in the 4th floor Common Area) 
FACULTY COLLOQUIUM 
Dick Gross (HARVARD UNIVERSITY) 
"Arithmetic on elliptic curves: an update on Tate's Inventiones paper" 

February 13, 2006, 3:00 pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Philip Candelas (OXFORD UNIVERSITY) 
"Arithmetic of CalabiYau Manifolds" 

April 02, 2002, 1:30 P.M. at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Thomas Geisser (UNIVERSITY OF SOUTHERN CALIFORNIA) 
"Arithmetic cohomology and special values of zetafunctions" 

March 16, 2005, 3:004:00pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Irene Minder, Laura Matusevich, Danny Goroff (HARVARD) 
"Applying for an Academic Job in Mathematics". 

September 29, 2003, 3:00 Pm at Science Center, Room 507 
GLOBAL METHODS IN CHROMATIC HOMOTOPY THEORY SEMINAR 
Doug Ravenel (UNIVERSITY OF ROCHESTER) 
"Applications of ArtinSchreier curves to stable homotopy theory" 

October 07, 2005, 4:30pm at Science Center, Room 232 
BASIC NOTIONS SEMINAR 
Fernando Rodriguez Villegas (UNIVERSITY OF TEXAS/HARVARD) 
"Apery's proof of the irrationality of zeta(3)" 

April 29, 2002, 3:004:00 Pm at Science Center, Room 507 
MODULAR CURVES SEMINAR 
Ben Howard (HARVARD) 
"Anticyclotomic Iwasawa theory of Cm elliptic curves". 

February 11, 2003, 4:30 Pm at Science Center, Room 507 
MODULAR CURVES SEMINAR 
Ben Howard (HARVARD) 
"Anticyclotomic Iwasawa theory of Cm elliptic curves" 

February 08, 2003, 4:30 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Barry Mazur (HARVARD UNIVERSITY) 
"Anticyclotomic norms in MordellWeil group" 

April 04, 2001, 3:004:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Andrew Granville (MONTREAL) 
"An uncertainty principle in arithmetic" 

October 13, 2004, 3:00  4:00 Pm at Science Center, Room 507 
SPECIAL LECTURE 
Joel Bellaiche (COLUMBIA UNIVERSITY) 
"An introduction to Arthur's conjectures" 

May 25, 2006, 2:304:00pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Wilfried Schmid (HARVARD) 
"An explicit proof of the Converse Theorem for Gl(3,Z), or: how many functional equations are necessary to characterize Gl(3,Z)automorphy?" 

November 19, 2003, 3:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
JeanPierre Serre (COLLEGE DE FRANCE) 
"An application of ladic cohomology to group theory" 

October 29, 2003, 3:004:00 Pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR/ SPONSORED BY PROF. SHINGTUNG YAU 
Gaoyong Zhang (POLYTECHNIC UNIVERSITY BROOKLYN, NY) 
"An L_p Affine Isoperimetric Inequality" 

February 07, 2006, 4:305:30pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
John Voight (UC BERKELEY) 
"An Introduction to Algebraic Stacks" 

April 19, 2004, 3:00  4:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Grigor Grigorov (HARVARD UNIVERSITY) 
"An Adelic Version of Kato's Euler System" 

May 5, 2004, 3:00  4:00 Pm at Science Center, Room 507 
HARVARDMIT ALGEBRAIC GEOMETRY SEMINAR 
Lorenzo Ramero (INSTITUT DE MATHEMATIQUES DE JUSSIEU) 
"Almost Purity and Padic Analytic Geometry" 

September 18, 2001, 3:00Pm at Science Center, Room 507 
BASIC NOTIONS SEMINAR 
Grisha Mikhalkin (UTAH) 
"Algebraic varieties and their amoebas" 

April 09, 2001, 3:004:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
Matt Papanikolas (BROWN UNIVERSITY) 
"Algebraic independence over function fields" 

March 06, 2002, 3:004:00 Pm at Science Center, Room 507 
ALGEBRAIC GEOMETRY SEMINAR 
Laura Matusevich (HARVARD UNIVERSITY) 
"Algebraic Geometry for Gkz Systems" 

April 8, 2004, 3:004:00 Pm at Science Center, Room 530 
HARVARDMIT ALGEBRAIC GEOMETRY SEMINAR 
Tomohide Terasoma () 
"Algebracicity of Cyclotomic Weil Hodge Cycles" 

November 26, 2002, 3:00 Pm at Science Center, Room 507 
FACULTY COLLOQUIUM 
Dennis Gaitsgory (HARVARD UNIVERSITY) 
"Affine KacMoody algebras and their representations" 

October 24, 2005, 3:00pm at Science Center, Room 507 
DIFFERENTIAL GEOMETRY SEMINAR 
JengDaw Yu (HARVARD UNIVERSITY) 
"A torelli type theorem for ordinary K3 surfaces over Fp" 

September 20, 2005, 4:30pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Dennis Gaitsgory (HARVARD UNIVERSITY) 
"A review of the geometric Langlands program" 

February 10, 2006, 3:154:15 pm at Science Center, Room 309 
QED SEMINAR 
J. Dimock (BUFFALO) 
"A renormalization group analysis of QED in 2+1 dimensions" 

December 13, 2005, 1:002:30 pm at Science Center, Room 232 
DIFFERENTIAL GEOMETRY SEMINAR 
Vadim Kaloshin (MIT) 
"A non capture result in three body dynamics" 

February 24, 2005, 3pm at Science Center, Room 507 
ANALYSIS SEMINAR 
Michael Loss (GEORGIAN TECH.) 
"A lower bound on the free energy of matter interacting with radiation" 

October 18, 2005, 2:303:30pm at Science Center, Room 232 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Simon Brendle (PRINCETON UNIVERSITY) 
"A glueing theorem for the GinzburgLandau equations in higher dimensions". 

April 04, 2003, 3:30 Pm at Science Center, Room 309 
NUMBER THEORY SEMINAR 
Marc Levine (NORTHEASTERN UNIVERSITY) 
"A Survey of Algebraic Cobordism" 

March 10, 2004, 3:00 Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Melissa Liu (HARVARD UNIVERSITY) 
"A Mathematical Theory ot the Topological Vertex" 

March 19, 2004, 3:305:00 Pm at Science Center, Room 309 
NUMBER THEORY SEMINAR 
David Helm (HARVARD) 
"A Geometric JacquetLanglands Correspondence" 

October 08, 2003, 3:004:00 Pm at Science Center, Room 507 
NUMBER THEORY SEMINAR 
David Helm (HARVARD UNIVERSITY) 
"A Geometric JacquetLanglands Correspondence for U(2) Shimura Varieties" 

April 28, 2004, 3:00Pm at Science Center, Room 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Sergei Gukov (HARVARD UNIVERSITY) 
"A Generalization of the Volume Conjecture" 

April 9, 2004, 3:30  5:00 Pm at Science Center, Room 309 
MODULAR CURVES AND MODULAR FORMS 
William Stein (HARVARD UNIVERSITY) 
"A Foundation For Computing With Modular Abelian Varieties?" 

February 12, 2004, 3:004:00 Pm at Science Center Room, 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Ron Fintushel (MICHIGAN STATE UNIVERSITY) 
"4manifolds with b^{+} = 1" 

September 23, 2005, 2:003:00pm at Science Center, Room 507 
GEOMETRIZATION SEMINAR 
Nathan Dunfield (HARVARD) 
"3manifolds which fiber over the circle" 

April 13, 2001, 1:002:00 Pm at Science Center, Room 530 
GAUGE THEORY 
Shelly Harvey (MIT) 
"3Manifold Invariants, Symplectic Structures, Deficiency of a Group, and Dash of Homology Cobordism" 

February 20, 2004, 3:305:00 Pm at Science Center, Room 309 
HARVARD, BRANDEIS, M.I.T., NORTHEASTERN COLLOQUIUM AT HARVARD 
John Conway (PRINCETON UNIVERSITY) 
"15 and 290 Theorems" 

October 20, 2005, 4:30 at Science Center, Lecture Hall D 
HARVARD, BRANDEIS, M.I.T., NORTHEASTERN COLLOQUIUM AT HARVARD 
David Tartakoff (UNIVERSITY OF ILLINOIS AT CHICAGO) 
"(Analytic) regularity with high loss of derivatives, after Kohn" 

May 04, 2006, 4:30pm at Science Center, Lecture Hall D 
SEMINAR ON TWISTED KTHEORY AND REPRESENTATIONS OF LOOP GROUPS 
Michael Hopkins (HARVARD UNIVERSITY) 


March 23, 2006, 3:004:00pm at Science Center, Room 507 
SEMINAR ON TWISTED KTHEORY AND REPRESENTATIONS OF LOOP GROUPS 
Michael Hopkins (HARVARD UNIVERSITY) 


March 09, 2006, 3:004:30pm at Science Center, Room 507 
SEMINAR ON TWISTED KTHEORY AND REPRESENTATIONS OF LOOP GROUPS 
Michael Hopkins (HARVARD UNIVERSITY) 


March 30, 2006, 34:30pm at Science Center, Room 507 