Amenable actions, free products and a fixed point property

被引:26
作者
Glasner, Y.
Monod, N.
机构
[1] Univ Illinois, Dept Math, Chicago, IL 60680 USA
[2] Univ Chicago, Dept Math, Chicago, IL 60637 USA
基金
美国国家科学基金会;
关键词
D O I
10.1112/blms/bdl011
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We investigate the class of groups admitting an action on a set with an invariant mean. It turns out that many free products admit interesting actions of this kind. A complete characterization of such free products is given in terms of a fixed point property.
引用
收藏
页码:138 / 150
页数:13
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