Lie triple derivations of unital algebras with idempotents

Lie triple derivations of unital algebras with idempotents
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DOI:
10.1080/03081087.2013.851200
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发表时间:
2015-01
影响因子:
1.1
通讯作者:
Dominik Benkovič
Dominik Benkovič
中科院分区:
数学3区
文献类型:
--
作者:
Dominik Benkovič

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设一个单位代数,在一个单位交换环上有一个非平凡幂等。我们证明了在适当的假设下,在上的每一个李三重导数都是这样的形式,其中是的导数,是的奇异约当导数,是到它的中心的线性映射,该中心在上消失。作为一个应用,我们刻画了李三重导和三角代数和矩阵代数上的李导。
Let be a unital algebra with a nontrivial idempotent over a unital commutative ring . We show that under suitable assumptions, every Lie triple derivation on is of the form , where is a derivation of , is a singular Jordan derivation of and is a linear mapping from to its centre that vanishes on . As an application, we characterize Lie triple derivations and Lie derivations on triangular algebras and on matrix algebras.