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Standard invariants
for crossed products inclusions of factors
Fumio Hiai |
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Vol. 177 (1997), No. 2, 237–267
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Abstract |
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When N ⊂ M is an inclusion of factors with finite index and a group G acts on N ⊂ M, we compare the standard invariants of N ⊂ M and the crossed product inclusion N ⋊ G ⊂ M ⋊ G. The cases when G is a discrete group and when G is a locally compact abelian group are separately considered. Applying to a common crossed product decomposition, we obtain comparison results between the type II and type III standard invariants of an inclusion of type III factors. |
Milestones
Received: 20 March 1995
Published: 1 February 1997
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Authors |
| Fumio Hiai | |
| Ibaraki University Mito, Ibaraki 310 Japan |
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