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On bi-exactness of discrete quantum groups
Published 23 Aug 2013 in math.OA | (1308.5103v1)
Abstract: We define Ozawa's notion of bi-exactness to discrete quantum groups, and then prove some structural properties of associated von Neumann algebras. In particular, we prove that any non amenable subfactor of free quantum group von Neumann algebras, which is an image of a faithful normal conditional expectation, has no Cartan subalgebras.
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