COLUMBIA UNIVERSITY - Department of Mathematics

Number Theory: (D. Goldfeld, H. Jacquet, S.W. Zhang)
Melvyn Nathanson (Lehman) - "Nonabelian additive number theory"
5:30 p.m., 507 Math. Tea will be served at 5:00 p.m., 508 Math.

Special Lecture: (J. Morgan)
Zoltan Szabo (Princeton) - "Generalized Thom conjecture: Curves of negative self-intersections"
2:30 p.m., 507 Math.

New York Seminar on Geometry and Physics: (B. Greene)
Calin Lazaroiu (Physics, Columbia) - "D-branes and quantum geometry: Part II of IV"
11:00 a.m., 705 Pupin.

Applied Mathematics Colloquim: (C.K. Chu), jointly sponsored by the Applied Mathematics Division, Applied Physics Department and the Department of Mathematics
J. Koplik (CCNY, Levich Institute) - "Molecular dynamics of wetting"
4:30 p.m., 214 S.W. Mudd

Geometry and Analysis: (M. Kuranishi, D.H. Phong)
Tom Little (Columbia & Morgan-Stanley)
"New estimates on the effective behaviour of metals via null-Lagrangian techniques"
2:30 p.m., 507 Math.

Working Seminar - Trees and Related Topics: (N. Benakli, Y. Glasner, S. Mokhtari-Sharghi)
Shahriar Mokhtari-Sharghi - "Trees and SL2" - continuation
6:30 p.m., 507 Math.

Probability: (I. Karatzas)
Soren Asmussen (Lund, Sweden) - "A probalistic look at the Wiener-Hopf integral equation"
11:00 a.m., 520 Math.

Algebraic Geometry: (R. Friedman)
Sorin Popescu - "Deformations of Calabi-Yau 3-folds"
1:10 p.m., 405 Math.

Geometric Topology: (J. Birman, B. Mangum)
NO SEMINAR THIS WEEK.

Working Seminar-Syzygies and Geometry: (D. Bayer, H. Pinkham, S. Popescu)
Dave Bayer - "Resolutions of toric ideals"
3:00 p.m., 507 Math.