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C*-simplicity has no local obstruction

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Title: C*-simplicity has no local obstruction
Authors: Suzuki, Yuhei Browse this author →KAKEN DB
Issue Date: 16-Mar-2022
Publisher: Cambridge University Press
Journal Title: Forum of Mathematics, Sigma
Volume: 10
Start Page: e18
Publisher DOI: 10.1017/fms.2022.5
Abstract: In 2016, I solved a problem of de la Harpe from 2006: Is there a nondiscrete C*-simple group? However the solution was not fully satisfactory, as the C*-simple groups provided (and their operator algebras) are very close to discrete groups. All previously known examples are of this form. In this article I give yet another construction of nondiscrete C*-simple groups. The statement in the title then follows. This in particular gives the first examples of nonelementary C*-simple groups (in Wesolek's sense).
Type: article
URI: http://hdl.handle.net/2115/85064
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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