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SUMMARY:Jens Eberhardt (Universität Wuppertal)
DTSTART:20230405T070000Z
DTEND:20230405T083000Z
DTSTAMP:20260422T155204Z
UID:HKUST-AG/6
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/HKUST-AG/6/"
 >A K-theoretic Approach to Geometric Representation Theory</a>\nby Jens Eb
 erhardt (Universität Wuppertal) as part of Algebra and Geometry Seminar @
  HKUST\n\nLecture held in 5564.\n\nAbstract\nPerverse sheaves and intersec
 tion cohomology are central objects in geometric representation theory. Th
 is talk is about their long-lost K-theoretic cousins\, called K-motives. W
 e will discuss definitions and basic properties of K-motives and explore p
 otential applications to geometric representation theory. For example\, K-
 motives shed a new light on Beilinson-Ginzburg-Soergel's Koszul duality 
 — a remarkable symmetry in the representation theory and geometry of two
  Langlands dual reductive groups. We will see that this leads to a new “
 universal” Koszul duality that does not involve any gradings or mixed ge
 ometry which are as essential as mysterious in the classical approaches.\n
LOCATION:https://researchseminars.org/talk/HKUST-AG/6/
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