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math.RT2023
The center of the asymptotic Hecke category and unipotent character sheaves
Liam Rogel, Ulrich Thiel
In 2015, Lusztig [Bull. Inst. Math. Acad. Sin. (N.S.)10(2015), no.1, 1-72] showed that for a connected reductive group over an algebraic closure of a finite field the associated (g…
math.RT2023
The Rank One property for free Frobenius extensions
Gwyn Bellamy, Ulrich Thiel
A conjecture by the second author, proven by Bonnafé-Rouquier, says that the multiplicity matrix for baby Verma modules over the restricted rational Cherednik algebra has rank one…