A characterization of the fullness of continuous cores of type III1 free product factors

A characterization of the fullness of continuous cores of type III1 free product factors
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III1 型无乘积因子的连续芯体的饱满度表征

DOI:
10.1215/21562261-3600193
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发表时间:
2014
影响因子:
0.6
通讯作者:
Y. Ueda
Y. Ueda
中科院分区:
数学4区
文献类型:
--
作者:
Reiji Tomatsu;Y. Ueda

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我们证明了,对于任何类型III$_1$自由积因子,其连续核心是充分的当且仅当其$\tau$-不变量是真实的线上的通常拓扑。作为一个特殊的例子,这平凡地暗示了自由荒木-伍兹因子的相同结果。此外,我们的方法显示了完全(广义)的III$_1$型的Bernoulli交叉积因子相同的结果。
We prove that, for any type III$_1$ free product factor, its continuous core is full if and only if its $\tau$-invariant is the usual topology on the real line. This trivially implies, as a particular case, the same result for free Araki--Woods factors. Moreover, our method shows the same result for full (generalized) Bernoulli crossed product factors of type III$_1$.
DOI: --
发表时间: 2003
期刊: --
影响因子: --
作者:
von Neumann algebras
通讯作者: von Neumann algebras