Automorphisms of Chevalley groups of types Al, Dl, or El over local rings with 1/2

被引:0
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作者
Bunina E.I. [1 ]
机构
[1] Moscow State University, Moscow
基金
俄罗斯基础研究基金会;
关键词
Root System; Local Ring; Commutative Ring; Simple Root; Chevalley Group;
D O I
10.1007/s10958-010-9959-0
中图分类号
学科分类号
摘要
In this paper, we prove that every automorphism of an (elementary) Chevalley group of type Al, Dl, or El, l ≥ 2, over a commutative local ring with 1/2 is standard, i. e., is the composition of inner, ring, graph, and central automorphisms. © 2010 Springer Science+Business Media, Inc.
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页码:749 / 766
页数:17
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