COLUMBIA UNIVERSITY
Department of Mathematics
S E M I N A R S

WEEK OF APRIL 2,  2007

MONDAY, APRIL 2

Physics Colloquium:
Ramesh Narayan, Thomas Dudley Cabot Prof of the Natural Sciences (Harvard)
"
Astrophysical black holes"
4:10 p.m., 428 PUPIN HALL

TUESDAY, APRIL 3

Applied Mathematics Colloquium: (C. Wiggins)
Cynthia Rudin (Columbia/Center for Computational Learning Systems)
"The Dynamics of AdaBoost"
2:45 p.m., 214 Mudd

Mathematics of Finance Practitioners Seminar: (M. Smirnov)
Mikhail Smirnov
TITLE: TBA
7:40-9:00 p.m., 207 Math.

THURSDAY, APRIL 5

ISCAP Journal Club: (S. Judes)
12:00 p.m., 908 Pupin.

Geometry/Analysis Seminar: (Z. Hou, N. Sesum)
Arshak Petrosyan (Purdue)
"A class of two-phase free boundary problems in the plane"
4:30 p.m., 507 Math.

Joint COLUMBIA-CUNY-NYU (Rotating among the 3 Universities)
Number Theory (
D. Goldfeld, V. Kolyvagin, Y. Tschinkel,
A. Venkatesh S. Zhang L. Szpiro
)
HOLIDAY


Mathematics of Finance Practitioners Seminar: (M. Smirnov)
Noah Yechiely (Bridgewater)
TITLE: TBA
7:40-9:00 p.m., 207 Math.

FRIDAY, APRIL 6

Number Theory Workshop: (E. Urban)
No Seminar This Week.

Probability:  (P. Bank, I.  Karatzas, M. Sirbu)
Ronnie Sircar (Princeton)
"Optimal static-dynamic hedges for exotic options under convex risk measures"
11:00 a.m., 520 Math.
Coffee and tea will be served at 10:30 a.m., 508 Math.

Geometric Topology:  (D. Thurston)
Constance Leidy (University of Pennsylvania)
"Higher-order degrees and obstructions on the fundamental group of algebraic curve complements
"
1:00 p.m., 507 Math.

Algebraic Geometry: (J. de Jong, M. Thaddeus, J. Ross)
Michael Temkin (University of Pennsylvania)
"Desingularization of quasi-excellent schemes of characteristic zero"
1:30 p.m., 417 Math.

ISCAP Seminar:
Ian Swanson (IAS)
TITLE: TBA
2:00 p.m., 908 Pupin.

Gauge Theory/Symplectic geometry: (C. Manolescu, M. Khovanov, P.S. Ozsváth)
Nadya Shirokova (Stanford)
"On the classification of Floer-type theories "
2:30 p.m., 507 Math.

Samuel Eilenberg Lectures:
William Fulton (Michigan
& Columbia)
“Equivariant cohomology in algebraic geometry"

3:30 p.m., 203 Math.
Tea will be served at 3:00 p.m., 508 Math.