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SUMMARY:Tony Feng (MIT)
DTSTART:20211013T200000Z
DTEND:20211013T210000Z
DTSTAMP:20260423T035411Z
UID:MITLie/41
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/MITLie/41/">
 Derived Chevalley isomorphisms</a>\nby Tony Feng (MIT) as part of MIT Lie 
 groups seminar\n\nLecture held in 2-142.\n\nAbstract\nFor a reductive grou
 p G\, the classical Chevalley isomorphism identifies conjugation-invariant
  functions on G with Weyl-invariant functions on its maximal torus. Berest
 -Ramadoss-Yeung have conjectured a derived upgrade of this statement\, whi
 ch predicts that the conjugation-invariant functions on the derived commut
 ing variety of G identify with the Weyl-invariant functions on the derived
  commuting variety of its maximal torus. In joint work with Dennis Gaitsgo
 ry we deduce this conjecture for G = GL_n from investigations into derived
  aspects of the local Langlands correspondence. I’ll explain this story\
 , assuming no background in derived algebraic geometry.\n
LOCATION:https://researchseminars.org/talk/MITLie/41/
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