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19922026
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Showing 2016 · math.OAShow all

8 papers · 2 filters

math.OA2016

Actions of rigid groups on UHF-algebras

Eusebio Gardella, Martino Lupini

Let be a countably infinite property (T) group, and let be UHF-algebra of infinite type. We prove that there exists a continuum of pairwise non (weakly) cocycle conjugate,…

math.OA2016

Algebraic -theory and a semi-finite Fuglede-Kadison determinant

Peter Hochs, Jens Kaad, André Schemaitat

In this paper we apply algebraic -theory techniques to construct a Fuglede-Kadison type determinant for a semi-finite von Neumann algebra equipped with a fixed trace. Our constr…

math.OA2016★ 1 cited

Rokhlin dimension of Z^m actions on simple C*-algebras

Hung-Chang Liao

We study Rokhlin dimension of Z^m-actions on simple separable stably finite nuclear C*-algebras. We prove that under suitable assumptions, a strongly outer Z^m-action has finite Ro…

math.OA2016★ 16 cited

Rokhlin dimension for flows

Ilan Hirshberg, Gabor Szabo, Wilhelm Winter +1

We introduce a notion of Rokhlin dimension for one parameter automorphism groups of C*-algebras. This generalizes Kishimoto's Rokhlin property for flows, and is analogous to the no…

math.OA2016★ 3 cited

Howe-Moore type theorems for quantum groups and rigid C*-tensor categories

Yuki Arano, Tim de Laat, Jonas Wahl

We formulate and study Howe-Moore type properties in the setting of quantum groups and in the setting of rigid -tensor categories. We say that a rigid -tensor c…

math.OA2016

On connected Lie groups and the Approximation Property

Søren Knudby

Recently, a complete characterization of connected Lie groups with the Approximation Property was given. The proof used of the newly introduced property (T*). We present here a sho…