COLUMBIA UNIVERSITY - Department of Mathematics

Number Theory: (D. Goldfeld, H. Jacquet, S.W. Zhang)
Harry Tamvakis (U Penn.)
"Schubert calculus on the arithmetic Grassmannian"
5:30 p.m., 507 Math. Tea will be served at 5:00 p.m., 508 Math.

New York Seminar on Geometry and Physics: (B. Greene)
END OF SEMINARS FOR THIS SEMESTER.

Applied Mathematics Colloquim: (C.K. Chu), jointly sponsored by the Applied Mathematics Division, Applied Physics Department and the Department of Mathematics
Robert Hallberg (GFDL, Princeton)
"The ocean's overturning circulation in the limit of weak vertical diffusion"
4:30 p.m., 214 S.W. Mudd.

Geometry and Analysis: (M. Kuranishi, D.H. Phong)
Stephen Semmes (Rice & Courant)
"Example"
2:30 p.m., 507 Math.

Working Seminar - Trees and Related Topics: (N. Benakli, Y. Glasner, S. Mokhtari-Sharghi)
NO SEMINAR THIS WEEK. 

Probability: (I. Karatzas)
Brendan D. McKay (Australian National University)
"Random linear arrangements of dominoes"
11:00 a.m., 520 Math.

Working Seminar-Syzygies and Geometry: (D. Bayer, H. Pinkham, S. Popescu)
Irena Peeva (MIT)
"Monomial resolutions and boolean subspace arrangements"
1:10 p.m., 405 Math.
TODAY THIS SEMINAR WILL REPLACE Algebraic Geometry: (R. Friedman)

Geometric Topology: (J. Birman, B. Mangum)
END OF SEMINARS FOR THIS SEMESTER.

Working Seminar-Syzygies and Geometry: (D. Bayer, H. Pinkham, S. Popescu)
Vesselin Gasharov (MIT)
"The singular locus of a Shubert variety from a combinatorial point of view"
3:00 p.m., 507 Math.