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math.RT2025
Lusztig varieties for regular elements
Xuhua He, Ruben La
Let be a connected reductive group over an algebraically closed field. Let be a Borel subgroup of and be the associated Weyl group. We show that for any t…
math.RT2024
The Iwahori--Matsumoto dual for tempered representations of Lusztig's geometric Hecke algebras
Ruben La
The graded Iwahori--Matsumoto involution is an algebra involution on a graded Hecke algebra closely related to the more well-known Iwahori--Matsumoto involution on an…