An inner amenable group whose von Neumann algebra does not have property Gamma |
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Authors: | Stefaan Vaes |
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Institution: | 1.Department of Mathematics,KU Leuven,Leuven,Belgium |
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Abstract: | We construct inner amenable groups G with infinite conjugacy classes and such that the associated II1 factor has no non-trivial asymptotically central elements, i.e. does not have property Gamma of Murray and von Neumann. This solves a problem posed by Effros in 1975. |
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