Automorphisms of Certain Lie Algebras of
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You'an Cao
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Article
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1997
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Elsevier Science
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English
⚖ 187 KB
Let R be an arbitrary commutative ring with identity. Denote by t the Lie algebra over R consisting of all upper triangular n by n matrices over R and let b be the Lie subalgebra of t consisting of all matrices of trace 0. The aim of this paper is to give an explicit description of the automorphism