𝔖 Bobbio Scriptorium
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Automorphisms of upper triangular matrix rings

✍ Scribed by S. Jøndrup


Book ID
112496259
Publisher
Springer
Year
1987
Tongue
English
Weight
214 KB
Volume
49
Category
Article
ISSN
0003-889X

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Multiplicative semigroup automorphisms o
✍ Chongguang Cao; Zhang Xian 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 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