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math.GR2022
On the centre of Iwahori-Hecke algebras
Timothée Marquis, Sven Raum
We prove triviality of the centre of arbitrary Hecke algebras of irreducible non-finite non-affine type. This result is obtained as a consequence of the following structure result…
math.FA2022★ 2 cited
A dynamical approach to sampling and interpolation in unimodular groups
Ulrik Enstad, Sven Raum
We introduce a notion of covolume for point sets in locally compact groups that simultaneously generalizes the covolume of a lattice and the reciprocal of the Beurling density for…