Automorphisms of the Lie Algebra of Upper Triangular Matrices over a Connected Commutative Ring

Automorphisms of the Lie Algebra of Upper Triangular Matrices over a Connected Commutative Ring
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DOI:
10.1006/jabr.1994.1329
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发表时间:
1994-11
期刊:
影响因子:
0.9
通讯作者:
D. Dokovic
D. Dokovic
中科院分区:
数学3区
文献类型:
--
作者:
D. Dokovic

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设R是一个除0和1外没有幂等元的非平凡交换环.用t表示R上所有上三角n×n矩阵组成的李代数.我们给出了这个李代数的自同构群的一个显式刻画.
Abstract Let R be a non-trivial commutative ring having no idempotents except 0 and 1. Denote by t the Lie algebra over R consisting of all upper triangular n by n matrices over R. We give an explicit description of the automorphism group of this Lie algebra.