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

WEEK OF APRIL 21,  2008

MONDAY, APRIL 21

Physics Colloquium:
Adam Burrows (Princeton)

"Simulating supernova explosions"
4:15 p.m., 428 PUPIN HALL

TUESDAY, APRIL 22

MINERVA FOUNDATION LECTURES: (I. Karatzas)
Michel EMERY (University of Strasbourg)
Part Four of Five Lectures on Manifold-Valued Semimartingales
1:00-2:30 p.m.
1025 SSW Bldg (1255 Amsterdam Avenue-btwn. 121st & 122nd Street)
Room 1025, 10th Floor in the School of Social Work

Applied Mathematics Colloquium: (C. Wiggins)
Justin Kinney (Princeton)
"DNA sequence analysis in the large N limit"
2:45 p.m., 214 Mudd

Columbia Discrete Math Seminar: (D. Bayer, M. Chudnovsky)
Jim Orlin (MIT)

"Matroid parity made almost simple"
4:00 p.m., 317 Mudd
The location of the seminar will alternate between 317 Mudd and 622 Math.

Mathematics of Finance Practitioners Seminar: (M. Smirnov)
Student Project Presentations

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

WEDNESDAY, APRIL 23

Colloquium: (M.T. Wang, E. Urban, P. Daskalopoulos)
Alexei Borodin (Caltech)

"Random surfaces in dimension two, three and four"
5:00 p.m., 520 Math. Tea will be served at 4:30 p.m., 508 Math.

THURSDAY, APRIL 24

MINERVA FOUNDATION LECTURES: (I. Karatzas)
Michel EMERY (University of Strasbourg)
Part Five of Five Lectures on Manifold-Valued Semimartingales
9:00-10:30 a.m.
1025 SSW Bldg (1255 Amsterdam Avenue-btwn. 121st & 122nd Street)
Room 1025, 10th Floor in the School of Social Work

Geometry and Analysis: (Z. Hou, N. Sesum)
NO SEMINAR THIS WEEK.

Joint COLUMBIA-CUNY-NYU (Rotating among the 3 Universities)
Number Theory (D. Goldfeld, V. Kolyvagin, L. Szpiro, Y. Tschinkel, A. Venkatesh, S. Zhang)
HOLIDAYS-NO SEMINAR THIS WEEK.

Mathematics of Finance Practitioners Seminar: (M. Smirnov)
Student Project Presentations
7:40-9:00 p.m., 207 Math.

FRIDAY, APRIL 25

Geometric Topology: DOUBLE HEADER I: (D. Thurston)
Christopher Cashen (Utah)
"Quasi-isometries between tubular groups"
10:30 a.m., NOTE LOCATION FOR THE REMAINDER OF THE SEMESTER - 520 Math.

Probability: (I. Karatzas)
NO SEMINAR THIS WEEK.

Joint Number Theory Workshop: (D. Goldfeld, E. Urban)
NO SEMINAR THIS WEEK.

Symplectic Geometry and Gauge Theory:
(C. Manolescu, D. McDuff, P.S. Ozsváth, R. Lipshitz)
Yanki Lekili (MIT)
"Wrinkled fibrations on near-symplectic manifolds"
1:00 p.m., NOTE LOCATION FOR THE REMAINDER OF THE SEMESTER - 520 Math.

Samuel Eilenberg Lectures:
Michael Harris (Columbia & Universite Paris 7)
“Arithmetic Automorphic Forms on Unitary Groups and Related Galois Representatives"

1:00 p.m., 207 Math.
Tea will be served at 3:00 p.m., 508 Math.

Geometric Topology: DOUBLE HEADER II: (D. Thurston)
Paolo Ghiggini (Caltech)

"Giroux's torsion and the contact invariant"
2:15 p.m., NOTE LOCATION FOR THE REMAINDER OF THE SEMESTER - 520 Math.

Algebraic Geometry: (J. de Jong, M. Thaddeus)
James Borger (ANU)
"Witt vectors, Lambda-rings, and absolute algebraic geometry"
2:15 p.m., 417 Math.

Samuel Eilenberg Lectures:
Charles L. Fefferman (Columbia & Princeton)
“Whitney Extension Problems and Interpolation"

3:30-5:30 p.m., 312 Math.
Tea will be served at 3:00 p.m., 508 Math.