Automorphisms of Coxeter groups

被引：2

作者：

Bahls, P ^{[1
]}

机构：

[1] Univ Illinois, Dept Math, Urbana, IL 61801 USA

来源：

TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY | 2006年 / 358卷 / 04期

关键词：

Coxeter group; group automorphism;

D O I：

10.1090/S0002-9947-05-03779-7

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We compute Aut( W) for any even Coxeter group whose Coxeter diagram is connected, contains no edges labeled 2, and cannot be separated into more than 2 connected components by removing a single vertex. The description is given explicitly in terms of the given presentation for the Coxeter group and admits an easy characterization of those groups W for which Out(W) is finite.

引用

页码：1781 / 1796

页数：16

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