COLUMBIA UNIVERSITY

Department of Mathematics

Number Theory: (D. Goldfeld, H. Jacquet, S.W. Zhang)
Ching-Li Chai (Penn)
"Base change of Neron models and a bisection of the Artin conductor"
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.

Samuel Eilenberg Lectures: (D. Goldfeld)
John H. Coates (University of Cambridge)
"Euler characteristics of p-adic lie groups and Iwasawa theory"
4:00-5:15 p.m., 507 Math. Tea will be served at 3:30 p.m., 508 Math.

Geometry and Analysis: (R. Hamilton, M. Kuranishi, I. Krichever & D.H. Phong)
SPEAKER: TBA
TITLE: TBA
2:30 p.m., 507 Math.

Probability: (I. Karatzas, T. Hayashi, L. Jensen)
NO SEMINAR THIS WEEK.

Geometric Topology: (J. Birman, W. Neumann, A. Champanerkar)
Karen Vogtmann (Cornell)
"Invariants of automorphism groups of free groups"
1:15 p.m., 507 Math.

Strings and Cosmology: (B. Greene, T. Baltz)
Jim Peebles (Princeton)
TITLE: TBA
2:00 p.m., 908 Pupin Hall.

Algebraic Geometry: (M. Thaddeus)
Angela Gibney (Michigan)
"There are no nontrivial fibrations of the moduli space of curves"
2:30 p.m., 417 Math.