COLUMBIA UNIVERSITY

Department of Mathematics

EILENBERG LECTURES:
Shing-Tung Yau (Harvard & Columbia)
"Non-Linear differential equations and geometry"
4:30 p.m., 507 Math.

Junior Colloquium:
Bjorn Engquist
"Numerical analysis of differential equations with different scales"
5:00 p.m., 507 Math.

Algebraic Geometry: (R. Friedman)
ORGANIZATIONAL MEETING
1:00 p.m., 413 Math.

Geometric Topology: (J. Birman, B. Mangum)
Tahl Nowick
"Quadruple points of regular homotopies of surfaces in 3-manifolds"
1:15 p.m., 507 Math.