Automorphisms of Chevalley groups of type $F_4$ over local rings with 1/2

Abstract

In the paper we prove that every automorphism of a Chevalley group of type $F_4$ over a commutative local ring with~1/2 is standard, i. e., it is a composition of ring and inner automorphisms.

arXiv comment23 pages

References in corpus (2)

• Automorphisms and isomorphisms of Chevalley groups and algebras
• Automorphisms of elementary adjoint Chevalley groups of types $A_l,D_l,E_l$ over local rings with 1/2

Cited by in corpus (3)

• Automorphisms of Chevalley groups of types $A_l,D_l,E_l$ over local rings without 1/2
• Automorphisms of Chevalley groups of type $B_l$ over local rings with 1/2
• Automorphisms of Chevalley groups of different types over commutative rings