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Automorphisms of the semigroup of nonnegative invertible matrices of order 2 over rings

โœ Scribed by E. I. Bunina, L. V. Tupikina


Book ID
113072864
Publisher
Springer US
Year
2012
Tongue
English
Weight
158 KB
Volume
183
Category
Article
ISSN
1573-8795

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Multiplicative semigroup automorphisms o
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