Fibrations between smooth Schubert varieties

Vesselin Gasharov

Cornell University

March 31,
4:15pm
refreshments at 3:45pm
2-338

ABSTRACT 

We construct maps between smooth Schubert varieties which are fiber bundles whose fibers are again smooth Schubert varieties. In particular, these maps give an alternative proof of a smoothness criterion by Lakshmibai and Sandhya, and also show that the Poincaré polynomials of such varieties are always products of q-binomial coefficients. This is a joint work with Vic Reiner.


Speaker's Contact Info: vesko(at-sign)math.cornell.edu


Return to seminar home page

Combinatorics Seminar, Mathematics Department, MIT, sara(at-sign)math.mit.edu

Page loaded on February 25, 2000 at 09:25 PM. Copyright © 1998-99, Sara C. Billey. All rights reserved.