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SUMMARY:Robert Cass (Caltech)
DTSTART:20220406T200000Z
DTEND:20220406T210000Z
DTSTAMP:20260423T052450Z
UID:MITLie/53
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/MITLie/53/">
 Perverse mod p sheaves on affine flag varieties</a>\nby Robert Cass (Calte
 ch) as part of MIT Lie groups seminar\n\nLecture held in 2-142.\n\nAbstrac
 t\nPerverse sheaves have important applications in representation theory a
 nd number theory. In this talk we will consider the case of mod p étale s
 heaves on affine flag varieties over a field of characteristic p. Despite 
 the pathological behavior of such sheaves\, they encode the structure of m
 od p Hecke algebras. We will primarily focus on a version of the geometric
  Satake equivalence for the affine Grassmannian. Time permitting\, we may 
 also discuss central sheaves on the Iwahori affine flag variety. Part of t
 his is joint work with Cédric Pépin.\n
LOCATION:https://researchseminars.org/talk/MITLie/53/
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