COLUMBIA UNIVERSITY

Department of Mathematics

S E M I N A R S -

WEEK OF MARCH 29, 1999

MONDAY, MARCH 29

Group Theory: (H. Bass, G. Rosenberg)
NO SEMINAR THIS WEEK.

Number Theory: (D. Goldfeld, H. Jacquet, S.W. Zhang)
Gautam Chinta

"Non-vanishing of twisted GL(2) L-functions"
5:30 p.m., 507 Math. Tea will be served at 5:00 p.m., 508 Math.

THURSDAY, APRIL 1

Geometry and Analysis I: (M. Kuranishi, I. Krichever)
Wei-dong Ruan

"Lagrangian torus fiberation of toric Calabi-Yau manifolds"
NOTE TIME: 3:00 p.m., 507 Math.

Joint Berkeley-Columbia Analysis (VIDEO-CONFERENCE):
(D.H. Phong, M. Zworski)
Michael Christ (Berkeley)
"Convolution, Curvature, and Counting"
5:00 p.m., 449 Grace Dodge Hall, Teachers CollegeColumbia University in NYC.
2:00 p.m., 127 Dwinelle, Berkeley in California.

FRIDAY, APRIL 2

Probability: (I. Karatzas)
NO SEMINAR THIS WEEK.

Algebraic Geometry: (R. Friedman, M. Thaddeus)
William Fulton (Michigan)
"Eigenvalues, invariant factors, highest weights, and Schubert calculus"
1:30 p.m., 417 Math.

Geometric Topology: (J. Birman, B. Mangum)
Dave Bachman (UC San Diego)

"A piecewise linear theory of minimal surfaces of non-zero index"
1:15 p.m., 507 Math.

* New York Seminar on Arithmetic Geometry: (L. Szpiro, S.W. Zhang)
Shou-wu Zhang

"Equidistribution of almost division points"
2:30 p.m., 507 Math.
* This seminar will alternate between the Graduate Center of CUNY and the Math Dept.
of Columbia University