COLUMBIA UNIVERSITY - Department of Mathematics
S E M I N A R S - WEEK OF FEBRUARY 23,  2004

 MONDAY, FEBRUARY 23

Physics Colloquium:
Herbert Walther (Max-Planck Institute for Quantum Optics, Garching Germany)
"Quantum optics of single atom"
4:15 p.m., 428 PUPIN HALL
Coffee served at 3:30 near the entrance to the lecture hall on the 4th floor Pupin Hall.

TUESDAY, FEBRUARY 24

Special Seminar: (M. Thaddeus)
Linda Chen
"Orbifold cohomology and toric varieties"
2:30 p.m., 528 Math.
Mathematics of Finance Practitioners Seminar: (M. Smirnov)
Albert Shiryaev (Moscow State University & Steklov Mathematics Institute)
"Poisson and Levy models in the quickest detection problems Mathematization of the Japanese
RENKO and KAGI charting techniques (S.Pastukhov's results)"
7:40-9:00 p.m., 207 Math.

WEDNESDAY,  FEBRUARY 25

COLLOQUIUM: (P. Daskalopoulos)
Albert Shiryaev (Moscow State University & Steklov Mathematics Institute)
"Mathematics of A.N.Kolmogorov"
NOTE LOCATION: 4:15 p.m., 207 Math. Tea will be served at 3:45 p.m., 508 Math.

THURSDAY, FEBRUARY 26

Samuel Eilenberg Lectures:
Robert Bryant (Duke & Columbia)
"Exterior differential systems in geometry"
2:40- 4:00 p.m., 507 Math.
Tea will be served at 4:00 p.m., 508 Math.

Geometry and Analysis: (H. Bray, M.T. Wang)
 Week of IPAM Geometric Flows conference
"Geometric Flows: Theory and Computation"
2/23-2/27,  UCLA
Joint COLUMBIA-CUNY-NYU (Rotating among the 3 Universities)
Number Theory (D. Goldfeld, V. Kolyvagin, P. Sarnak,  L. Szpiro)
Andrew Granville (Universite de Montreal)
"Some distribution problems in arithmetic"
CUNY Graduate Center, 5:30-7:00 p.m., Tea will be served in the Math Lounge, fourth floor, 5:00 p.m.,

Mathematics of Finance Practitioners Seminar: (M. Smirnov)
Albert Shiryaev (Moscow State University & Steklov Mathematics Institute)
"Some recent results on Brownian motion with Drift. Extension of the Levy characterization theorem.
On the probability characteristics of values of downfalls (drawdown) of prices described by a Brownian motion and a
Brownian motion with drift"
7:40-9:00 p.m., 207 Math.

FRIDAY, FEBRUARY 27

Probability: (J. Vecer)
 Albert Shiryaev (Moscow State University & Steklov Mathematics Institute)
"On some striking properties of Brownian motion"
11:00-12:15 p.m., 520 Math.
Tea and Coffee will be served at 10:30 a.m., 621 Math.

Geometric Topology:  (J. Birman, W. Neumann, I. Kofman)
Ilya Kofman
"Mahler measure of Jones polynomials"
1:15 p.m., 507 Math.

ISCAP: (B. Greene, T. Baltz)
Yang-Hui He (UPenn)
"Chaotic Duality in String Theory "
2:00 p.m., 908 PUPIN HALL.

PLASMA PHYSICS COLLOQUIUM: Applied Mathematics
Frank Cheng (Princeton Plasma Physics Lab, Princeton)
"Fast ion physics in Tokamaks"
3:10-4:00 p.m., 214 Mudd

Algebraic Geometry:  (R. Friedman, M. Thaddeus)
 Mikhail Kapranov (Yale)
"Floer cohomology of ind-schemes "
3:30 p.m., 507 Math.