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math.RT2021
Wreath Macdonald polynomials at q=t as characters of rational Cherednik algebras
Dario Mathiä, Ulrich Thiel
Using the theory of Macdonald, Gordon showed that the graded characters of the simple modules for the restricted rational Cherednik algebra by Etingof and Ginzburg associated to th…
math.RT2021★ 2 cited
Cellularity of endomorphism algebras of tilting objects
Gwyn Bellamy, Ulrich Thiel
We show that, in a highest weight category with duality, the endomorphism algebra of a tilting object is naturally a cellular algebra. Our proof generalizes a recent construction o…