FUNDAMENTALNAYA
I PRIKLADNAYA MATEMATIKA

(FUNDAMENTAL AND APPLIED MATHEMATICS)

2011/2012, VOLUME 17, NUMBER 7, PAGES 49-66

**Automorphisms of Chevalley groups of type
$G$**_{2} over local rings without
$1/2$

E. I. Bunina

P. A. Veryovkin

Abstract

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In this paper, we prove that every automorphism of a Chevalley
group of type $G$_{2} over
a commutative local ring without $1/2$ is the composition of
a ring automorphism and a conjugation by some matrix.

Location: http://mech.math.msu.su/~fpm/eng/k1112/k117/k11704h.htm

Last modified: May 24, 2013