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arxiv: 1012.4604 · v1 · pith:WAROLJ4Unew · submitted 2010-12-21 · 🧮 math.DS

Nonfree Actions of Countable Groups and their Characters

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keywords actionsgroupscharactersnonfreebriefcountabledefinitiondetailed
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We introduce the definition of totally nonfree actions of groups; such actions are naturally related to the theory of characters of groups and their factor-representations of type II. This short note is a brief exposition of a part of a more detailed paper on this subject, which is now in preparation.

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