MONDAY, NOVEMBER 8

Elementary Methods: (B. Mezhericher)
Dave Swinarski
"Riemann surfaces as branched curves"
4:15 p.m., 528 Math.

Samuel Eilenberg Lectures:
Shing-Tung Yau (Columbia & Harvard)
"Nonlinear equations in string theory and general relativity"
NOTE SPECIAL DAY, TIME & ROOM THIS WEEK:
4:15 p.m-5:30 p.m., 507 Math

Physics Colloquium:
Zoltan Haiman (Columbia, Astronomy)
"How did the cosmic dark age end?"
4:15 p.m., 428 PUPIN HALL
Coffee served at 3:30 on the 7th floor hall, 705 PUPIN HALL.

Applied Mathematics Colloquium:
Saul Abarbanel (Tel Aviv)
"Nonlinear PML equations for time dependent electro-magnetics in three dimensions"
2:45-3:45 p.m., 214 Mudd|

Junior Colloquium: (A. Kontorovich)
NO SEMINAR THIS WEEK.

COLLOQUIUM: (E. Urban, M.T. Wang)
Karl Rubin(UC, Irvine)
"Ranks of elliptic curves"
4:15 p.m., 520 Math. Tea will be served at 3:45 p.m., 508 Math.

THURSDAY, NOVEMBER 11

Geometry and Analysis: (M.T. Wang, M.P. Tsui)
NO SEMINAR THIS WEEK.

Joint COLUMBIA-CUNY-NYU (Rotating among the 3 Universities)
Number Theory (D. Goldfeld, V. Kolyvagin, P. Sarnak,  L. Szpiro)
Hershy Kisilevsky (Concordia)
"Vanishing and non-vanishing central values of twisted elliptic L-Functions"
Columbia, 520 Math, 5:30-7:00 p.m.,
Tea will be served in the Math Lounge, Room 508, 5:00 p.m.

FRIDAY, NOVEMBER 12

Probability: (P. Bank)
Marc Yor (Universite Pierre et Marie Curie)
Some aspects of Martingale theory (Lecture Series)
"Lecture 1: An introduction to enlargements of filtrations"
11:00-1:00 p.m., Floor 903 Statistics; 1255 Amsterdam Avenue
(Between 121^st and 122^nd St)

DOUBLE HEADER l: Geometric Topology:  (C. Leininger)
Cameron Gordon (U.T. at Austin)
"Knots with unknotting number 1 and Conway spheres"
11:00 a.m., 507 Math.

DOUBLE HEADER ll: Geometric Topology:  (C. Leininger)
Howard Masur (U.I. at Chicago)
"Ergodic theory of flat surfaces"
1:15 p.m., 507 Math.

Gauge Theory/Symplectic Geometry:  (P. Ozsvath)
Olga Plamenevskaya (MIT)
"Transverse links, Khovanov homology and contact structures
on branched double covers"
2:40 p.m., 507 Math.

TRIPLE HEADER I: Algebraic Geometry:  (M. Thaddeus)
Kevin Costello (Imperial College)
"The Deligne-Mumford spaces as an operadic homotopy quotient"
2:00 p.m., 520 Math.
Tea will be served at 3:00 p.m., 508 Math.

TRIPLE HEADER II: Algebraic Geometry:  (M. Thaddeus)
Tom Graber  (Berkeley)
"The quantum product and the intermediate Jacobian"
3:30 p.m., 520 Math.
Tea will be served at 3:00 p.m., 508 Math.

TRIPLE HEADER III: Algebraic Geometry:  (M. Thaddeus)
Tom Coates (Harvard)
"Quantum extraordinary cohomology"
5:00 p.m., 520 Math.
Tea will be served at 3:00 p.m., 508 Math.