Number Theory: (R. Pries, D. Goldfeld, H. Jacquet, S.W. Zhang)
Roger Heath-Brown (Oxford University (England) and
     AIM (American Institute for  Mathematics, Palo Alto, CA)
"Pairs of quadratic forms"
5:30 p.m., 507 Math. Tea will be served at 5:00 p.m., 508 Math.

Theory Group Meeting: (B. Mawhinney, D. Kabat)
Eric Novak (Ben Gurion University)
"Inflationary cosmology and string theory moduli space"
2:10 p.m., 831 PUPIN HALL

Physics Colloquium:
Mark A Cane (Physics, Columbia University)
"El Nińo: Prediction and Predictability"
4:15 p.m., 428 PUPIN HALL
Coffee served at 3:30 on the 4th floor hall, PUPIN HALL.

TUESDAY, OCTOBER 29

Colloquium in Applied Mathematics:
Department of Applied Physics and Applied Mathematics, Columbia University
Ilya Nemenman (Kavli Institute for Theoretical Physics, UCSB)
"Predictive information"
2:45 p.m.,  room 214 S.W. Mudd building

Samuel Eilenberg Lectures:
Yum-Tong Siu  (Harvard & Columbia)
"Multiplier Ideal Sheaves in Algebraic and Complex Geometry"
4:15- 5:15 p.m., 507 Math.
Tea will be served at 10:30 a.m., 508 Math. 

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

THURSDAY, OCTOBER 31

Geometry and Analysis: (R. Hamilton, J. Loftin)
Sylvia Serfaty (NYU)
"Limiting vorticities for the Ginzburg-Landau equations"
4:15 p.m., 507 Math

Workshop in Arithmetic Geometry: (S.W. Zhang)
Speaker: TBA
Title: TBA
10:30-12:00 p.m., 417 Math.

Probability: (J. Vecer)
Speaker: TBA
Title: TBA
11:00-12:15 p.m., 520 Math.
Tea and Coffee will be served at 10:30 a.m., 621 Math.

DOUBLE HEADER I: Geometric Topology:  (J. Birman, W. Neumann, I. Kofman)
Peter Ozsváth
"Holomorphic disks and knot invariants"
11:00 a.m., 405 Math.

DOUBLE HEADER II: Geometric Topology:  (J. Birman, W. Neumann, I. Kofman)
John McCarthy (Michigan)
"Automorphisms of surface braid groups"
1:15 p.m., 507 Math.

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

Algebraic Geometry:  (R. Friedman, M. Thaddeus)
Harry Tamvakis (Brandeis)
"Quantum cohomology of isotropic Grassmannians"
3:30 p.m., 507 Math.