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Normal intermediate subfactors
| Title: | Normal intermediate subfactors |
| Authors: | Teruya, T. Browse this author |
| Issue Date: | 1-Dec-1995 |
| Publisher: | Department of Mathematics, Hokkaido University |
| Journal Title: | Hokkaido University Preprint Series in Mathematics |
| Volume: | 320 |
| Start Page: | 1 |
| End Page: | 44 |
| Abstract: | Let N C M be an irreducible inclusion of type type 111 factors with finite Jones index. We shall introduce the notion of normality for intermediate subfactors of the inclusion N C M. If the depth of N C M is 2, then an intermediate subfactor K for N C M is normal in N C M if and only if the depths of N C K and K C M are both 2. In particular, if M is the crossed product N ><l G of a finite group G, then K = N ><l His normal in NC M if and only if His a normal subgroup of G. |
| Type: | bulletin (article) |
| URI: | http://hdl.handle.net/2115/69071 |
| Appears in Collections: | 理学院・理学研究院 (Graduate School of Science / Faculty of Science) > Hokkaido University Preprint Series in Mathematics
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Submitter: 数学紀要登録作業用
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