2 papers
math.OA2026
Invariant measures and traces on groupoid -algebras
Alistair Miller, Eduardo Scarparo
We provide sufficient conditions for the existence of a trace on the essential -algebra of a (not necessarily Hausdorff) étale groupoid which extends an invari…
math.OA2025
Maximal ideals of reduced group C*-algebras and Thompson's groups
Kevin Aguyar Brix, Chris Bruce, Kang Li +1
Given a conditional expectation from a C*-algebra onto a C*-subalgebra , we observe that induction of ideals via , together with a map which we call co-induction, for…