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math.OA2023
Free actions of polynomial growth Lie groups and classifiable C*-algebras
Ulrik Enstad, Gabriel Favre, Sven Raum
We show that any free action of a connected Lie group of polynomial growth on a finite dimensional locally compact space has finite tube dimension. This is shown to imply that the…
math.FA2023
Linear independence of coherent systems associated to discrete subgroups
Ulrik Enstad, Jordy Timo van Velthoven
This note considers the finite linear independence of coherent systems associated to discrete subgroups. We show by simple arguments that such coherent systems of amenable groups a…