Asymptotic structure of free product von Neumann algebras

Cyril Houdayer, Yoshimichi Ueda

研究成果: ジャーナルへの寄稿学術誌査読

13 被引用数 (Scopus)

抄録

Let (M, φ) = (M 1, φ1) ∗ (M 2, φ2) be the free product of any σ-finite von Neumann algebras endowed with any faithful normal states. We show that whenever Q C M is a von Neumann subalgebra with separable predual such that both Q and Q ∩ M 1 are the ranges of faithful normal conditional expectations and such that both the intersection Q ∩ M 1 and the central sequence algebra Q′ ∩ Mω are diffuse (e.g. Q is amenable), then Q must sit inside M 1. This result generalizes the previous results of the first named author in [Ho14] and moreover completely settles the questions of maximal amenability and maximal property Gamma of the inclusion M 1 C M in arbitrary free product von Neumann algebras.

本文言語英語
ページ(範囲)489-516
ページ数28
ジャーナルMathematical Proceedings of the Cambridge Philosophical Society
161
3
DOI
出版ステータス出版済み - 11月 1 2016

!!!All Science Journal Classification (ASJC) codes

  • 数学 (全般)

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