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SUMMARY:Changjian Su (University of Toronto)
DTSTART:20210309T170000Z
DTEND:20210309T180000Z
DTSTAMP:20260423T024517Z
UID:GNTRT/6
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/GNTRT/6/">Mo
 tivic Chern classes of Schubert cells and applications</a>\nby Changjian S
 u (University of Toronto) as part of Geometry\, Number Theory and Represen
 tation Theory Seminar\n\n\nAbstract\nThe motivic Chern classes are K-theor
 etic generalization of the MacPherson classes in homology. The motivic Che
 rn classes of Schubert cells have a Langlands dual description in the Iwah
 ori invariants of principal series representation of the p-adic Langlands 
 dual group. In joint works with Aluffi\, Mihalcea\, and Schurmann\, we use
  this relation to solve conjectures of Bump\, Nakasuji and Naruse about Ca
 sselman's basis\, and also relate the Euler characteristics of the motivic
  Chern classes to the Iwahori Whittaker functions.\n
LOCATION:https://researchseminars.org/talk/GNTRT/6/
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