Redraws a surgery description of the graph manifold Y_{5,5,n}.  This is figure 8 in R. Baykur, J. Van Horn-Morris, with an Appendix: S. Lisi C. Wendl Families of contact 3-manifolds with arbitrarily large Stein fillings JDG, 101 (2015) 423-465, the figure belongs to the proof that there are infinite families of contact 3-manifolds each admitting a Stein filling whose Euler characteristic is larger and signatures is smaller than any two given numbers.
The JDG 2017 conference on Geometry and Topology is co-sponsored by Lehigh University and partially supported by NSF. It takes place in celebration of the 50th anniversary of the Journal of Differential Geometry. All talks take place in lecture Hall B of the Harvard science center. available on Youtube.
Poster PDF and Schedule PDF, (updated April 25, 2017), Abstracts (PDF) (updated April 26, 2017). YouTube.

Registration for JDG 2017 is now closed


Confirmed Speakers:

  • Mina Aganagic
  • Denis Auroux
  • Caucher Birkar
  • Huai-Dong Cao
  • Tristan Collins
  • Camillo De Lellis
  • Jean-Pierre Demailly
  • Simon Donaldson
  • Dan Freed
  • Kenji Fukaya
  • David Gabai
  • Larry Guth
  • Richard Hamilton
  • Yujiro Kawamata
  • Frances Kirwan
  • Blaine Lawson
  • Jun Li
  • Si Li
  • Bong Lian
  • Melissa Liu
  • Ciprian Manolescu
  • Fernando Marques
  • William Meeks
  • William Minicozzi
  • John Pardon
  • Duong Phong
  • Alena Pirutka
  • Richard Schoen
  • Artan Sheshmani
  • Cliff Taubes
  • Cumrun Vafa
  • Mu-Tao Wang
  • Shing-Tung Yau
  • Steve Zelditch
All talks take place in Science Center B. The program with or without abstracts is available here:
Schedule PDF, Abstracts PDF

Support and Information

The conference is co-sponsored by Lehigh University and Harvard University. Partial support is provided by the National Science Foundation.
We will be able to provide partial support to a limited number of participants to cover some travel costs. Graduate students, recent PhDs, and members of underrepresented groups are especially encouraged to participate and to apply for support. Graduate students should ask a faculty member to write a brief recommendation letter for them and send to Maureen via email at Other applicants should send a copy of their CV to Maureen. Applications received by April 15, 2017 will receive full consideration.
Also for other information, contact Maureen Armstrong at

Accommodation information:

A Bed & Breakfast in Cambridge
1657 Cambridge Street, Cambridge, 617.868.7082 or 877.994.0844, (5-10 minute walk to Harvard University)
Marriott at Alewife
Cambridge, MA
Boston Marriott Cambridge
Two Cambridge Center, Cambridge (Kendall Square), T-accessible 617.494.6600
A Cambridge House
2218 Massachusetts Avenue, Cambridge, 617.491.6300 or 800.232.9989, (Porter Square T/77 bus)
Courtyard Boston Cambridge
777 Memorial Drive, Cambridge, 617.492.7777, (free shuttle)
Friendly Inn at Harvard Square
1673 Cambridge St., Cambridge, 617.547.7851, (5-10 minute walk to Harvard University)
Harvard Square Hotel
110 Mt. Auburn Street, Cambridge, 617.864.5200, (5 minute walk)
Hyatt Regency
575 Memorial Drive, Cambridge, 617.492.1234, (free shuttle bus)
Irving House
24 Irving Street, Cambridge MA 02138, 617.547.4600 or 877.547.4600.
Mary Prentiss Inn
Six Prentiss Street, Cambridge, 617.661.2929, (10 minute walk)
Sheraton Commander
16 Garden Street, Cambridge, 617.547.4800 or 888.627.7121, (5 minute walk)