Automorphisms of Chevalley groups of types Al, Dl, El over local rings without 1/2
Abstract
In the given paper we prove that every automorphism of a Chevalley group of type Al, Dl, or El, l≥slant 3, over a commutative local ring without 1/2 is standard, i. e., it is a composition of ring, inner, central and graph automorphisms.
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