Centralizing traces and Lie triple isomorphisms on generalized matrix algebras

Centralizing traces and Lie triple isomorphisms on generalized matrix algebras
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广义矩阵代数上的集中迹和李三重同构

DOI:
10.1080/03081087.2014.974490
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发表时间:
2014-11
影响因子:
1.1
通讯作者:
A. Fosner
A. Fosner
中科院分区:
数学3区
文献类型:
--
作者:
Xinfeng Liang;Feng Wei;Zhankui Xiao;A. Fosner

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设为交换环上的广义矩阵代数,且为的中心。假设这是一个双线性映射,并且是的迹。我们描述了满足所有条件的形式。什么时候有适当的形式的问题是被考虑的。利用上述迹函数,我们建立了的每个Lie三重同构几乎标准的充分条件。作为应用,我们刻画了完全矩阵代数、三角代数和某些具有非平凡幂等元的单位代数的李三同构。文章最后提出了一些与我们当前工作密切相关的未来研究课题。
Let be a generalized matrix algebra over a commutative ring and be the centre of . Suppose that is an -bilinear mapping and is the trace of . We describe the form of satisfying the condition for all . The question of when has the proper form is considered. Using the aforementioned trace function, we establish sufficient conditions for each Lie triple isomorphism of to be almost standard. As applications we characterize Lie triple isomorphisms of full matrix algebras, of triangular algebras and of certain unital algebras with nontrivial idempotents. Some topics for future research closely related to our current work are proposed at the end of this article.
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