COLUMBIA UNIVERSITY

Department of Mathematics

Number Theory: (D. Goldfeld, H. Jacquet, S.W. Zhang)
Tamotsu Ikeda (Kyoto, Japan & IAS)
"On some construction of Siegel modular forms"
5:30 p.m., 507 Math. Tea will be served at 5:00 p.m., 508 Math.

Workshop in Arithmetic Geometry: (D. Goldfeld, S.W. Zhang)
SPEAKER: TBA
TITLE: TBA
1:00 - 2:30 p.m., 307 Math.

Colloquium: (D. Goldfeld)
Panagiota Daskalopoulos (UC, Irvine)
"The Gauss curvature flow with flat sides: The regularity of the interface at all times"
5:30 p.m., 507 Math. Tea will be served at 5:00 p.m., 508 Math.

Geometry and Analysis I: (M. Kuranishi, D.H. Phong)
Ailana Fraser (Brown)
"Minimal disks and two-convex hypersurfaces"
2:30 p.m., 507 Math.

Probability: (I. Karatzas)
Cun-Hui Zhang (Rutgers, Stat. Dept.)
"Sub-Bernoulli functions and U-statistics"
11:00-12:15 p.m., 520 Math.
Tea and Coffee will be served at 10:30 a.m., 621 Math.

Geometric Topology: (J. Birman, W. Neumann, A. Champanerkar)
Jordan Ellenberg (Princeton)
"Galois groups, braid groups, and invariants of dessins d'enfants"
1:15 p.m., 507 Math.

Algebraic Geometry: (M. Thaddeus)
Rachel Pries
"Families of wildly ramified covers of curves"
2:30 p.m., 417 Math.