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# On Non-Strongly Free Automorphisms of Subfactors of Type III$_0$

Published:2003-09-01
Printed: Sep 2003
• Toshihiko Masuda
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## Abstract

We determine when an automorphism of a subfactor of type III$_0$ with finite index is non-strongly free in the sense of C.~Winsl\o w in terms of the modular endomorphisms introduced by M.~Izumi.
 MSC Classifications: 46L37 - Subfactors and their classification

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