COLUMBIA UNIVERSITY

Department of Mathematics

S E M I N A R S -

Week of October 6, 1997



MONDAY, October 6

Number Theory: (D. Goldfeld, H. Jacquet, S.W. Zhang)
Henryk Iwaniec (Rutgers)
"Central values of L-functions and Siegel zeros"
5:30 p.m., 507 Math. Tea will be served at 5:00 p.m., 508 Math.

TUESDAY, October 7

Group Theory: (H. Bass, S. Mokhtari-Sharghi)
Hyman Bass, "Group actions on trees, and applications (continuing)"
9:00 a.m., 507 Math.

WEDNESDAY, October 8

New York Seminar on Geometry and Physics: (B. Greene)
TBA

THURSDAY, October 9

Geometry and Analysis: (M. Kuranishi)
Zhiqin Lu, "On the compactification of the moduli space of the Calabi-Yau threefold"
2:30 p.m., 507 Math.

FRIDAY, October 10

Working Seminar-Critical Values of L-functions: (S.W. Zhang)
Dorian Goldfeld, "Introduction to the work of Gross and Zagier (Part IV)"
11:00 a.m., 507 Math.

Geometric Topology: (J. Birman, B. Mangum)
Doug Bullock (George Washington)
"Invariant theory from a combinatorial viewpoint"
1:15 p.m., 507 Math.

****************************************************************************

UPCOMING CONFERENCE - NOVEMBER 6-7, 1997

bulletA Conference on the Occasion of the 65th Birthday of Hyman Bass
Algebra, K-Theory, Groups, and Education:
417 Altschul Auditorium, International Affairs Building
BANQUET: NOVEMBER 6 at Faculty House
ADVANCE RESERVATIONS ONLY - $35.00 per person
Contact Dolores Cea (dc@math.columbia.edu) before October 14
GO TO - www.math.columbia.edu/conf/bass