Characterizing rigid simplicial actions on trees

被引：0

作者：

Levitt, G ^{[1
]}

机构：

[1] Univ Caen, LMNO, CNRS, UMR 6139, F-14032 Caen, France

来源：

Geometric Methods in Group Theory | 2005年 / 372卷

关键词：

D O I：

暂无

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We extend Forester's rigidity theorem so as to give a complete characterization of rigid group actions on trees (an action is rigid if it is the only reduced action in its deformation space; in particular it is invariant under automorphisms preserving the set of elliptic subgroups).

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页码：27 / 33

页数：7

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