Pseudoautomorphisms with invariant curves

Date: 
2016/01/15 Fri 10:30 - 12:00
Room: 
Room 152, Building No.3
Speaker: 
Kyounghee Kim
Affiliation: 
Florida state university
Abstract: 

We describe a method for constructing pseudo-automorphisms of a space X which is obtained by blowing up points of P^k (or a product P^k×⋯×P^k). The centers of blowup are chosen to lie on a curve and are determined using the arithmetic on the curve. These pseudo-automorphisms are geometric realizations of elements of a generalized Weyl group.