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19982007
most citedDouble crossed products of locally compact quantum groups

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math.OA2007

Every compact group arises as the outer automorphism group of a II_1 factor

Sébastien Falguières, Stefaan Vaes

We show that any compact group can be realized as the outer automorphism group of a factor of type II_1. This has been proved in the abelian case by Ioana, Peterson and Popa applyi…