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SUMMARY:Shotaro Makisumi (Columbia)
DTSTART:20210201T190000Z
DTEND:20210201T200000Z
DTSTAMP:20260423T024453Z
UID:UMassRep/15
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/UMassRep/15/
 ">Applications of curved Koszul duality to modular geometric representatio
 n theory</a>\nby Shotaro Makisumi (Columbia) as part of UMass Amherst Repr
 esentation theory seminar\n\n\nAbstract\nRecall the Koszul duality between
  symmetric and exterior algebras. When the exterior algebra is deformed to
  a Koszul complex\, it turns out that one should equip the corresponding d
 eformation of the symmetric algebra with a curvature. This is an example o
 f the curved Koszul duality of Burke\, which builds on ideas of Keller\, L
 efevre-Hasegawa\, and Positselski. I will give a slightly different (and s
 ofter) take on these ideas\, then explain applications to modular geometri
 c representation theory. Includes joint work with Matthew Hogancamp.\n
LOCATION:https://researchseminars.org/talk/UMassRep/15/
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