MONDAY, OCTOBER 16

Physics Colloquium:
Amber Miller  (Columbia, Physics)
"Peeking in ancient holes and seeking the holy grail"
4:15 p.m., 428 PUPIN HALL
Coffee served at 3:30 on the 7th floor hall, 705 PUPIN HALL.

Applied Mathematics Colloquium: (M.Weinstein)
Margaret Wright (Courant)
"Solving nasty optimization problems in science and engineering"
2:45 p.m., 214 Mudd

WEDNESDAY, OCTOBER 18

Colloquium: (M.T. Wang, E. Urban)
Paul Biran (Tel Aviv)
"Symplectic points of view on some questions in classical algebraic geometry"
5:00 p.m., 520 Math. Tea will be served at 4:30 p.m., 508 Math.

Geometry/Analysis Seminar: (N. Sesum,  Z. Hou)
Julie Rowlett (University of Montreal)
"Spectral geometry and asymptotically conic convergence"
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)
Ngo Bao Chau (Universite Paris-Sud & IAS)
"Equivariant cohomology and the fundamental lemma"
Columbia, 312  Math, 5:30-7:00 p.m.,
Tea will be served in the Math Lounge, Room 508, 5:00 p.m.

Number Theory Workshop: (E. Urban)
Laurent Berger (IHES)
"Kedlaya's slope filtration theorem"
9:30 a.m.-11:00am., 207 Math

Geometric Topology:  (W. Neumann)
Thang Le (Georgia Tech)
"L^2-torsion and knot invariants"
1:00 p.m., 507 Math.

Algebraic Geometry: (J. de Jong, M. Thaddues, J. Ross)
Renzo Cavalieri (Michigan)
"Evaluating tautological classes using only Hurwitz numbers"
1:30 p.m., 417 Math.

Gauge Theory/Symplectic geometry: (C. Manolescu, M. Khovanov, P.S. Ozsváth)
András Juhász (Princeton)
"Floer homology and surface decompositions"
2:30 p.m., 507 Math.