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math.OA2023★ 1 cited
Simple AH algebras with the same Elliott invariant and radius of comparison
Ilan Hirshberg, N. Christopher Phillips
We construct an uncountable family of pairwise nonisomorphic AH algebras with the same Elliott invariant and same radius of comparison. They can be distinguished by a local radius…
math.OA2023
Values of Rokhlin dimension for actions of compact groups
Ilan Hirshberg, N. Christopher Phillips
We show that any finite group admits actions on simple AF algebras with unique trace which have arbitrarily large finite values of Rokhlin dimension with commuting towers. We show…