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math.OA2021★ 3 cited
The ideal intersection property for essential groupoid C*-algebras
Matthew Kennedy, Se-Jin Kim, Xin Li +2
We characterise, in several complementary ways, étale groupoids with locally compact Hausdorff space of units whose essential groupoid C*-algebra has the ideal intersection propert…
math.OA2021★ 6 cited
A generalized Powers averaging property for commutative crossed products
Tattwamasi Amrutam, Dan Ursu
We prove a generalized version of Powers' averaging property that characterizes simplicity of reduced crossed products , where is a countable discrete group, a…