2214
Arbeitsgemeinschaft: Geometric Representation Theory
Report (565.8Kb)Workshop
2214Period
03 Apr - 09 Apr 2022Abstract
Our understanding of algebraic representations of reductive algebraic groups in positive characteristic has seen big advances in the last years and
has been largely transformed into the geometric theory of
studying parity sheaves on affine Grassmannians and affine flag varieties or, equivalently and
more combinatorially, the diagrammatic Hecke category.
This has led, among other things,
to a geometric proof of the linkage principle and a greatly simplified
proof of Lusztig's character formula for large characteristics.
Report
Workshop Report 2022,18Organizers
Daniel Juteau, Amiens; Simon Riche, Clermont-Ferrand; Wolfgang Soergel, Freiburg; Geordie Williamson, SydneyOberwolfach Photo Collection
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