Hilbert C*-modules and amenable actions
Ronald G. Douglas ; Piotr W. Nowak
Studia Mathematica, Tome 196 (2010), p. 185-197 / Harvested from The Polish Digital Mathematics Library
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We study actions of discrete groups on Hilbert C*-modules induced from topological actions on compact Hausdorff spaces. We show non-amenability of actions of non-amenable and non-a-T-menable groups, provided there exists a quasi-invariant probability measure which is sufficiently close to being invariant.

Publié le : 2010-01-01
EUDML-ID : urn:eudml:doc:285804 
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Ronald G. Douglas; Piotr W. Nowak. Hilbert C*-modules and amenable actions. Studia Mathematica, Tome 196 (2010) pp. 185-197. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm199-2-4/