FUNDAMENTALNAYA I PRIKLADNAYA MATEMATIKA

(FUNDAMENTAL AND APPLIED MATHEMATICS)

2007, VOLUME 13, NUMBER 4, PAGES 3-29

Automorphisms of Chevalley groups of types $B$₂ and $G$₂ over local rings

E. I. Bunina

Abstract

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In the paper, we prove that every automorphism of any adjoint Chevalley group of type $B$₂ or $G$₂ is standard, i.e., it is a composition of an "inner" automorphism, a ring automorphism, and a central automorphism.

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Last modified: November 28, 2007