COLUMBIA UNIVERSITY

Department of Mathematics

Number Theory: (D. Goldfeld, H. Jacquet, S.W. Zhang)
Fei Xu (Harvard)
"Representation masses of spinor genera"
5:30 p.m., 507 Math. Tea will be served at 5:00 p.m., 508 Math.

Workshop in Arithmetic Geometry: (D. Goldfeld, S.W. Zhang)
SPEAKER: TBA
TITLE: TBA
1:00 - 2:30 p.m., 307 Math.

Noncommutative Geometry Seminar: (B. Greene, D. Kabat)
Nori Iizuka
The Seiberg-Witten paper, hep-th/9908142.
11:00 - 12:30 p.m., 618 Pupin Hall.

Special Geometric Topology: (J. Birman, W. Neumann, A. Champanerkar)
Zlil Sela (Hebrew University)
"Diophantine geometry over groups and the elementary theory of a free group"
2:00 p.m., 405 Math.

Geometry and Analysis: (R. Hamilton, M. Kuranishi, I. Krichever & D.H. Phong)
Mu-Tao Wang (Stanford)
TITLE: TBA
2:30 p.m., 507 Math.

Probability: (I. Karatzas)
Murad Taqqu (Boston)
"The Weierstrass function and fractional Brownian motion"
11:00-12:15 p.m., 520 Math.
Tea and Coffee will be served at 10:30 a.m., 621 Math.

Strings and Cosmology: (B. Greene, W. Kinney)
Paul Steinhardt (Princeton)
"The trouble with dark matter"
NOTE SPECIAL TIME: 12:45 p.m., 1402 Pupin Hall.

Geometric Topology: (J. Birman, W. Neumann, A. Champanerkar)
Ruth Charney (Ohio State)
"Can we recognize a building from its metric?"
1:15 p.m., 507 Math.

Algebraic Geometry: (M. Thaddeus)
Tom Braden (Harvard)
TITLE: TBA
2:30 p.m., 417 Math.