Outer automorphisms of upper triangular matrices

DOI10.1006/jabr.1993.1218zbMath0815.20037OpenAlexW1977012029MaRDI QIDQ1320222

John S. Maginnis

Publication date: 4 July 1995

Published in: Journal of Algebra (Search for Journal in Brave)

Full work available at URL: http://hdl.handle.net/2027.42/30473

zbMATH Keywords

classifying spacecentral automorphismsouter automorphism groupdominant summandsanti- transposeextremal automorphismssubgroup of upper triangular matrices

Mathematics Subject Classification ID

Linear algebraic groups over finite fields (20G40) Generators, relations, and presentations of groups (20F05) Classifying spaces of groups and (H)-spaces in algebraic topology (55R35) Automorphism groups of groups (20F28) Other matrix groups over finite fields (20H30)

Related Items (4)

A Simple Generalization of the ElGamal Cryptosystem to Non-Abelian Groups ⋮ Counting Galois \(\mathbb{U}_4(\mathbb{F}_p)\)-extensions using Massey products ⋮ The automorphism group of certain radical matrix rings ⋮ The Group of Outer Automorphisms of the Semidirect Product of the Additive Group of a Ring by a Group of Units

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