Salvato in:
| Autore principale: | |
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| Natura: | Preprint |
| Pubblicazione: |
2006
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/math/0601188 |
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Sommario:
- We give in this paper a new construction of factors of type ${\rm III_1}$. Under certain assumptions, we can, thanks to a result by Popa, give a complete classification for this family of factors. Although these factors are never full, we can nevertheless, in many cases, compute Connes' $τ$ invariant. We obtain a new example of an uncountable family of pairwise non-isomorphic factors of type ${\rm III_1}$ with the same $τ$ invariant.