COLUMBIA UNIVERSITY

Department of Mathematics

Group Number Theory: (H. Bass, N. Benakli)
Gabriel Rosenberg
"Some problems on the generation of SL_n of polynomial rings"
4:00-5:30 p.m., 507 Math.

Number Theory: (D. Goldfeld, H. Jacquet, S.W. Zhang)
Kazuhiro Fujiwara (Nagoya & IAS)
"Deformation rings and Hecke algebras over totally real fields"
5:30 p.m., 507 Math. Tea will be served at 5:00 p.m., 508 Math.

Eilenberg Lectures:
Shing-Tung Yau (Harvard & Columbia)
"Non-Linear differential equations and geometry"
4:30 p.m., 507 Math.

Geometry and Analysis Seminar: (R. Hamilton, M. Kuranishi, D.H. Phong)
NO SEMINAR THIS WEEK.

Arithmetic Algebraic Geometry: (L. Szpiro, S.W. Zhang)
Shou-Wu Zhang
"Diophantine approximation (III)"
11:00 a.m., 507 Math.

Geometric Topology: (J. Birman, B. Mangum)
Oliver Dasbach
"On new adjectives for braids: singular and virtual"
1:15 p.m., 507 Math.

Algebraic Geometry: (R. Friedman, M. Thaddeus)
Lev Borisov
"Vertex algebras and mirror symmetry II"
1:30 p.m., 417 Math.