FIXED-POINTS OF FINITE-GROUPS OF FREE GROUP AUTOMORPHISMS

被引：8

作者：

WHITE, T ^{[1
]}

机构：

[1] UNIV CALIF LOS ANGELES,DEPT MATH,LOS ANGELES,CA 90024

来源：

PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY | 1993年 / 118卷 / 03期

关键词：

LENGTH FUNCTION; TREE; OUTER SPACE;

D O I：

10.2307/2160103

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We construct an equivariant collection of contractions of the compactified Culler-Vogtmann outer space X(n)BAR. As a consequence, we prove that any finite subgroup of the outer automorphism group of a free group fixes a contractible subset of X(n)BAR.

引用

页码：681 / 688

页数：8

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