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Automorphisms of certain groups and semigroups of matrices

โœ Scribed by Michael Alwill; Chi-Kwong Li; Christina Maher; Nung-Sing Sze

Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
300 KB
Volume
412
Category
Article
ISSN
0024-3795

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๐Ÿ“œ SIMILAR VOLUMES

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Multiplicative semigroup automorphisms of upper triangular matrices over rings
โœ Chongguang Cao; Zhang Xian ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 297 KB

Suppose R is a ring with 1 and C a central subring of R. Let T,(R) be the C-algebra of upper triangular n x n matrices over R. Recently several authors have shown that if R is sufficiently well behaved, then every C-automorphism of T,,(R) is the composites of an inner automorphism and an automorphis