Algebraic Geometry Seminar: Dave Anderson (University of Washington / UBC)
- Date: 03/08/2011
- Time: 15:30
Dave Anderson (University of Washington / UBC)
University of British Columbia
Divisors on Bott-Samelson varieties
Given a sequence of roots, one can construct a corresponding Bott-Samelson variety. These varieties are basic tools in representation theory and geometry of G/P's; for instance, the Bott-Samelson varieties corresponding to reduced sequences resolve singularities of Schubert varieties. Partly because of these connections, a good understanding of line bundles and divisors, including descriptions of the nef and effective cones, is of interest. In this talk, I'll explain what is known about these questions, what I would like to know, and how much I know of what I'd like to know.
3:30pm-4:30pm, WMAX 216