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SUMMARY:McKay correspondence in DT theory of Calabi-Yau 4-folds
DTSTART:20220426T131500
DTEND:20220426T150000
DTSTAMP:20260916T164938Z
UID:66ad81bb9bec6f488b24a200f29d26ecfa9f7f31da568a180cd528ef
CATEGORIES:Conferences - Seminars
DESCRIPTION:Sergej Monavari (Universiteit Utrecht)\nThe (generalized) McKa
 y correspondence relates the representation theory of a finite subgroup G<
 SL(n\,C) with the geometry of a crepant resolution of C^n/G. Lately\, this
  correspondence has been studied at the level of derived categories and in
  the enumerative geometry of Calabi-Yau three-folds (Gromov-Witten/Donalds
 on-Thomas theories). More recently\, Oh-Thomas developed an algebraic mach
 inery to count sheaves on Calabi-Yau 4-folds. We show how theMcKay corresp
 ondence naturally (and conjecturally) extends to this new setting\, and ho
 w it specializes to many enumerative results already known in the literatu
 re. This is joint work (in progress!) with Y. Cao and M. Kool.
LOCATION:GC A1 416 https://plan.epfl.ch/?room==GC%20A1%20416
STATUS:CONFIRMED
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