Columbia University Mathematics Colloquium
Spring 2010

Columbia
Mathematics Department Colloquium meets in Math 520 approximately every three
weeks on Wednesday afternoons at 5:00, and is preceded by tea at 4:30.
Colloquia are of general mathematical interest and aimed at both faculty and
graduate students. Please click on the title
for the abstract of the talk.
Feb. 17 
Doron Zeilberger
(Rutgers) 
The 13th Proof
that n!/(k!(nk)!)<=n!/((k+1)!(nk1)!)
(if k<n/2) 
Mar. 10 
Pengfei Guan (McGill) 
Convexity of solutions
to nonlinear partial differential equations 
Mar. 24 
Manjul Bhargava
(Princeton) 

Apr. 7 
Sijue Wu (Michigan) 
Wellposedness of the two and three dimensional full water
wave problem 
Apr. 21 
Ngo Bao Chau (IAS and Columbia) 
Kloosterman sheaves for reductive groups

Spring
2007 schedule, Fall
2007 schedule , Spring
2008 schedule, Fall 2008
schedule, Spring
2009 schedule, Fall 2009
schedule
CoOrganizer: Panagiota Daskalopoulos,
Mikhail Khovanov and MuTao Wang