paper

Strong solidity of free Araki-Woods factors

arXiv:1512.04820 · doi:10.1353/ajm.2018.0029

Abstract

We show that Shlyakhtenko's free Araki-Woods factors are strongly solid, meaning that for any diffuse amenable von Neumann subalgebra that is the range of a normal conditional expectation, the normalizer remains amenable. This provides the first class of nonamenable strongly solid type III factors.

v2: minor changes, final version, to appear in American Journal of Mathematics

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