COLUMBIA UNIVERSITY

Department of Mathematics

Number Theory: (D. Goldfeld, H. Jacquet, S.W. Zhang)
Matt Baker (Harvard)
"Torsion Points on Modular Curves"
5:30 p.m., 507 Math. Tea will be served at 5:00 p.m., 508 Math.

Workshop in Arithmetic Geometry: (S.W. Zhang)
Hervé Jacquet
"L-functions and epsilon-factors"
1:00 p.m., 405 Math.

Geometry and Analysis: (M. Kuranishi)
Hubert Goldschmidt
"Infinitesimal spectral rigidity of symmetric spaces"
4:15 p.m., 507 Math.

New York Seminar on Geometry and Physics: (B. Greene, F. Denef)
Philip Argyres (Cornell)
"Issues in strong/weak coupling dualities - Part II"
10:30 a.m., 618 Pupin

Probability: (I. Karatzas)
Hiroaki Morimoto (Ehime, Japan)
"Variational inequalities for combined control and stopping"
11:00-12:15 p.m., 520 Math. Tea and Coffee will be served before the seminar at 10:30 am, Room 621 Math.

Additional Number Theory: (D. Goldfeld, H. Jacquet, S.W. Zhang)
Matt Baker (Harvard)
"Torsion Points on modular curves" - continuation
11:00 a.m., 507 Math.

Geometric Topology: (J. Birman, W. Neumann, T. Brendle)
Michael Farber (Tel Aviv University)
"Topology of Cyclic Configuration Spaces and Periodic Trajectories of Billiards"
1:15 p.m., 507 Math.

Algebraic Geometry: (M. Thaddeus)
Richard Thomas (Harvard)
"Mirror symmetry and singularities"
3:30 p.m., 417 Math.