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SUMMARY:Crepant transformations for nonabelian GIT quotients - Rachel Webb
  (Cornell University)
DTSTART:20240117T100000Z
DTEND:20240117T104500Z
UID:TALK209395@talks.cam.ac.uk
DESCRIPTION:Geometric invariant theory (GIT) is a recipe for taking a quot
 ient of a vector space by a linear action of a reductive group. The quotie
 nt also depends on a character of the group\, though different characters 
 will yield birational schemes (or stacks). I will explain one way to relat
 e the Gromov-Witten theory of birational targets that arise in this fashio
 n---at least\, I will explain one such example\, namely the Grassmannian f
 lop. This work is joint with Wendelin Lutz and Qaasim Shafi.
LOCATION:Seminar Room 2\, Newton Institute
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