Physics Colloquium:
Ernst Sichtermann (Lawrence Berkeley National Laboratory)
"Muon g-2""
4:15 p.m., 428 PUPIN HALL

Informal Symplectic Geometry: (C. Manolescu, D. McDuff, P. Ozsváth)
András Stipsicz (Rényi Institute and Columbia)
"Contact structures on Seifert fibered three-manifolds, Part 3"
5:30 p.m., 507 Math

Applied Mathematics Colloquium: (C. Wiggins)
Jing Li (Projet Ondes, INRIA-Rocquencourt)
"Fast solver for the heat equation in unbounded domains"
2:45 p.m., 214 Mudd

Columbia Discrete Math Seminar:  (D. Bayer, M. Chudnovsky)
Serguei Norine (Princeton)
"Analogies between graphs and algebraic curves"
4:00 p.m.,  750 Shapiro CEPSR
The location of the seminar will alternate between 750 Shapiro CEPSR and 622 Mathematics

Colloquium: ( E. Urban, M-T Wang)
Christophe Breuil (IHES & Columbia)
"On some modulo p local Langlands correspondance"
5:00 p.m., 520 Math. Tea will be served at 4:30 p.m., 508 Math.

Geometry/Analysis Seminar: (Z. Hou, N. Sesum)
Fanghua Lin (NYU)
"Optimal partition of the Dirichelet Eigenvalues and its Associated Gradient Flow"
4:30 p.m., 507 Math.

Joint COLUMBIA-CUNY-NYU (Rotating among the 3 Universities)
Number Theory (D. Goldfeld, V. Kolyvagin,  L. Szpiro, Y. Tschinkel,  A. Venkatesh,  S. Zhang, )
Shou-Wu Zhang
"Gross-Schoen cycles, relative dualising sheaves, and triple product L-series"
NYU, Courant Institute 13th Floor, 5:30-7:00 p.m.,  Tea will be served in the Math Lounge on the 13th floor .at 5:00 p.m.

Algebraic Geometry: (J. de Jong, M. Thaddeus, J. Ross)
Hsian-Hua Tseng  (University of Wisconsin-Madison)
"Twisted orbifold Gromov-Witten invariants in genus zero"
2:15 p.m., 417 Math.

Samuel Eilenberg Lectures:
Yakov Eliashberg (Stanford & Columbia)
“Symplectic topology of affine complex manifolds"
3:30 p.m., 312 Math.
Tea will be served at 3:00 p.m., 508 Math.