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25th Annual
Geometry Festival

Courant Institute of Mathematical Sciences
April 9-11, 2010


The 25th Annual Geometry Festival will be held at the Courant Institute of Mathematical Sciences from Friday afternoon, April 9, to Sunday noon, April 11, 2010. All lectures will be in Room 109 of Warren Weaver Hall (Directions).

Everyone is invited to the Geometry Festival, and graduate students are especially encouraged to attend.

  • Tim Austin (UCLA)
  • Xiuxiong Chen (UW Madison)
  • Toby Colding (MIT)
  • Marianna Csornyei (University College London and Yale)
  • Larry Guth (UToronto)
  • Jeremy Kahn (SUNY Stony Brook)
  • Gang Tian (Princeton)

A list of speakers at previous Geometry Festivals can be found here.


There will be 7 talks: one late Friday afternoon, 4 on Saturday, and 2 on Sunday morning, with the conference ending by noon. We will also have a problem session on Saturday.

There will be a banquet on Saturday evening in the 13th floor commons room in the Courant building. Continental breakfast will be served on Saturday and Sunday mornings, prior to each day's first talk. Coffee will be available during the hours of the conference.


We have reserved blocks of rooms at the following area hotels at reduced rates.

Club Quarters-Downtown, 52 William Street, New York, NY 10005, tel. (212) 269-6400. This is near Wall street, with good subway access to NYU. We have reserved a block of standard rooms with queen size beds at the conference rate of $126 per night. (PLEASE NOTE: We were initially quoted a conference rate of $179; if you reserved your room at that rate, please call back to request the lower rate.) These rooms will be held until March 16. When calling to reserve your room, please state are affiliated with an NYU function, and use the group code NYU409.

Washington Square hotel, 103 Waverly Place New York, New York 10011-9194. This is a few blocks from the Courant Institute. We have reserved a few rooms at this hotel at the rate of $245 for April 9-10. Please contact Jianna Schroeder directly at jianna@cims.nyu.edu if you are interested in one of these rooms.

We also recommend looking for rooms using one of the standard websites, such as expedia.com, hotels.com, or tripadvisor.com.


This Geometry Festival is supported by a grant from The National Science Foundation. Funds have been set aside for the reimbursement of travel and hotel costs incurred by qualified applicants. Strong funding preference will be given to those graduate students and younger faculty to whom other funds are not available.

Visa holders and other international guests should be prepared to present their passports, I-94 (arrival/departure record) and other visa-related documents to festival staff if they wish to qualify for funding.

Requests for travel support will be accepted up to the time of the Festival.


Sylvain Cappell, Jeff Cheeger, and Bruce Kleiner.

This conference has financial support from the NSF, the Courant Institute, and the University of Pennsylvania.