COLUMBIA UNIVERSITY - Department of Mathematics
S E M I N A R S  -  WEEK OF MARCH 7, 2005

MONDAY, MARCH 7

Elementary Methods: (B. Mezhericher)
Alex Kontorovich

"On Gauss's class number problem and Columbia's faculty
"
4:15 p.m., 528 Math.

Physics Colloquium:
Mike Sheetz (Columbia, Biology)
"Understanding complex, robust functions in mammalian cells"
4:15 p.m., 428 PUPIN HALL
Coffee served at 3:30 on the 7th floor hall, 705 PUPIN HALL.

TUESDAY, MARCH 8

Applied Mathematics Colloquium:
Philip Rosenau (Tel Aviv University)
"Why singularities are good for you, or: On genuinely nonlinear patterns
    in a dispersive medium"
2:45 p.m., 214 Mudd

Mathematics of Finance Practitioners Seminar: (M. Smirnov)
Mikhail Smirnov

"Nonlinear portfolio insurance"
7:40-9:00 p.m., 207 Math.

THURSDAY, MARCH 10

Cancelled! Rescheduled to April 14
Geometry and Analysis: (M.T. Wang, M.P. Tsui)
William Minicozzi (John Hopkins)
"
The Calabi-Yau conjecture for embedded surfaces"
4:30 p.m., 507 Math.


Joint
COLUMBIA-CUNY-NYU (Rotating among the 3 Universities)
Number Theory (
D. Goldfeld, V. Kolyvagin, P. Sarnak L. Szpiro)
Werner Mueller (Bonn & IAS)
"The Arthur Trace formula and a weak Ramanujan conjecture"
NYU, Courant Institute 13th Floor, 5:30-7:00 p.m.,  Tea will be served at 5:00 p.m.


Mathematics of Finance Practitioners Seminar: (M. Smirnov)
Darren Clipston (Drake)

"Convertible arbitrage"
7:40-9:00 p.m., 207 Math.

FRIDAY, MARCH 11

Probability: (P. Bank)
Isaac Sonin (NC, Chapel Hill)

"The optimal stopping of a Markov chain, the generalized Gittins index, and recursive
    solution of Poisson and Bellman equations"
11:00 a.m., 520 Math
Coffee and tea will be served at 10:30 a.m., 508 Math.

DOUBLE HEADER l: Geometric Topology:  (C. Leininger)
Pete Storm (Stanford)
"Lower volume bounds for hyperbolic 3-manifolds with boundary"
11:00 a.m., 507 Math.

DOUBLE HEADER Il: Geometric Topology:  (C. Leininger)
Denis Auroux (MIT)
"
Fiber sums of Lefschetz fibrations"
1:15 p.m., 507 Math.