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SUMMARY:Maxence Mayrand (University of Toronto)
DTSTART:20200903T185000Z
DTEND:20200903T195000Z
DTSTAMP:20260423T022918Z
UID:GPRTatNU/1
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/GPRTatNU/1/"
 >Symplectic reduction along a submanifold and the Moore-Tachikawa TQFT</a>
 \nby Maxence Mayrand (University of Toronto) as part of Geometry\, Physics
 \, and Representation Theory Seminar\n\n\nAbstract\nIn 2011\, Moore and Ta
 chikawa conjectured the existence of certain complex Hamiltonian varieties
  which generate two-dimensional TQFTs where the target category has comple
 x reductive groups as objects and holomorphic symplectic varieties as arro
 ws. It was solved by Ginzburg and Kazhdan using an ad hoc technique which 
 can be thought of as a kind of "symplectic reduction by a group scheme." W
 e clarify their construction by introducing a general notion of "symplecti
 c reduction by a groupoid along a submanifold\," which generalizes many co
 nstructions at once\, such as standard symplectic reduction\, preimages of
  Slodowy slices\, the Mikami-Weinstein reduction\, and the Ginzburg-Kazhda
 n examples. This is joint work with Peter Crooks.\n
LOCATION:https://researchseminars.org/talk/GPRTatNU/1/
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