COLUMBIA UNIVERSITY

Department of Mathematics

S E M I N A R S -

WEEK OF FEBRUARY 15, 1999

 

MONDAY, FEBRUARY 15

Group Theory: (H. Bass, G. Rosenberg)
Jennifer Austin

"Property T, amenability and expander families--continued"
4:00-5:30 p.m., 528 Math.

Number Theory: (D. Goldfeld, H. Jacquet, S.W. Zhang)
Chia-Fu Yu (Univ. Pennsylvania)
"On the supersingular locus of Hilbert-Blumenthal four-folds"
5:30 p.m., 507 Math.
Tea will be served at 5:00 p.m., 508 Math.

 

THURSDAY, FEBRUARY 18

Geometry and Analysis I: (M. Kuranishi, I. Krichever)
NO SEMINAR THIS WEEK.

 

FRIDAY, FEBRUARY 19

Probability: (I. Karatzas)
Elyes Jouini (Crest-Ensae)
"Derivatives pricing in incomplete markets : an quilibrium approach
(discrete time, continuous time and convergence results)"
520 Math., 11:00 a.m.


Geometric Topology: (J. Birman, B. Mangum)
Radu Popescu

"On Fiedler's invariant"
1:15 p.m., 507 Math.

Algebraic Geometry: (R. Friedman, M. Thaddeus)
Ravi Vakil (MIT)
"Twelve points on the projective line"
1:30 p.m., 417 Math.