COLUMBIA UNIVERSITY - Department of Mathematics - S E M I N A R S - WEEK OF APRIL 21, 2003

MONDAY, APRIL 21

Theory Group Meeting: (B. Mawhinney, D. Kabat)
Speaker: TBA
Title: TBA

2:10 p.m., 831
PUPIN HALL

Physics Colloquium:
Speaker: TBA
Title: TBA
4:15 p.m., 428 PUPIN HALL
Coffee served at 3:30 on the 4th floor hall, PUPIN HALL.

DOUBLE HEADER I:Number Theory: (R. Pries, D. Goldfeld, H. Jacquet, S.W. Zhang)
Nicolae Popescu (Institute of Mathematics of the Romanian Academy)
"Galois action on plane compacts"
4:00 p.m., 507 Math.

DOUBLE HEADER II: Number Theory: (R. Pries, D. Goldfeld, H. Jacquet, S.W. Zhang)
Christopher McLean Skinner  (U of Michigan)

"P-adic L-functions for unitary groups and stable/endoscopic congruences"
5:30 p.m., 507 Math.
Tea will be served at 5:00 p.m., 508 Math.

WEDNESDAY, APRIL 23

String Theory Group Meeting: (Greene, Kabat)
Speaker: TBA
Title: TBA
2:00 p.m., 908 Pupin.

COLLOQUIUM: (D. Daskalopoulos, P. Ozsváth)
Christopher McLean Skinner  (U of Michigan)
"Eisenstein series and arithmetic"

4:15 p.m., 520 Math.
Tea will be served at 3:45 p.m., 508 Math.

THURSDAY, APRIL 24

Workshop in Arithmetic Geometry I: (S.W. Zhang)
Speaker: TBA
Title: TBA
10:00-11:00 p.m., 507 Math.

Workshop in Arithmetic Geometry II: (S.W. Zhang)
Speaker: TBA
Title: TBA
2:00-4:00 p.m., 405 Math.

Geometry and Analysis: (R. Hamilton, J. Loftin)
Sigurd Angenent (Wisconsin)
"
Similar asymptotics of type II singularities in a number of heat flows in differential geometry and mathematical physics"
4:15 p.m., 507 Math

FRIDAY, APRIL 25

SPECIAL LECTURE:  (D.H. Phong)
Shing-Tung Yau (Harvard)

"Energy in general relativity"
9:30 a.m., 507 Math.

DOUBLE HEADER I: Geometric Topology:  (J. Birman, W. Neumann, I. Kofman)
Sang Jin Lee (KIAS)
"Application of braid conjugacy problem in cryptography"
10:45 a.m., 507 Math.

Probability: (T. Hayashi)
NO SEMINAR THIS WEEK

DOUBLE HEADER II: Geometric Topology:  (J. Birman, W. Neumann, I. Kofman)
Paul Melvin (Bryn Mawr, IAS)
"The Milnor degree and quantum orders of 3-manifolds"
1:15 p.m., 507 Math.

ISCAP: (B. Greene, T. Baltz)
Speaker: TBA
Title: TBA
2:00 p.m., 908 PUPIN HALL.

Zeta Functions and Eisenstein Series: (
H. Jacquet)
Speaker: TBA
Title: TBA
2:30-5:00 p.m., 528 Math.


Algebraic Geometry:  (R. Friedman, M. Thaddeus)
Kristin Lauter (Microsoft)
"
Complex multiplication methods for generating curves over finite fields"
NOTE SPECIAL TIME & LOCATION: 3:00 p.m., 520 Math.

Ellis R. Kolchin Memorial Lectures: (
M. Thaddeus)
Johan de Jong (Massachusetts Institute of Technology)
"Rational connectivity and moduli spaces of rational curves"
4:30 p.m.,
312 Math.,
Tea will be served at 3:45 p.m., 508 Math.