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2-LOCAL DERIVATIONS ON SEMISIMPLE BANACH ALGEBRAS WITH MINIMAL LEFT IDEALS
Journal of the Australian Mathematical Society ( IF 0.5 ) Pub Date : 2020-07-24 , DOI: 10.1017/s144678872000021x WENBO HUANG , JIANKUI LI
Journal of the Australian Mathematical Society ( IF 0.5 ) Pub Date : 2020-07-24 , DOI: 10.1017/s144678872000021x WENBO HUANG , JIANKUI LI
Let ${\mathcal{A}}$ be a semisimple Banach algebra with minimal left ideals and $\text{soc}({\mathcal{A}})$ be the socle of ${\mathcal{A}}$ . We prove that if $\text{soc}({\mathcal{A}})$ is an essential ideal of ${\mathcal{A}}$ , then every 2-local derivation on ${\mathcal{A}}$ is a derivation. As applications of this result, we can easily show that every 2-local derivation on some algebras, such as semisimple modular annihilator Banach algebras, strongly double triangle subspace lattice algebras and ${\mathcal{J}}$ -subspace lattice algebras, is a derivation.
中文翻译:
具有最小左理想的半简单 BANACH 代数的 2-局部推导
让${\mathcal{A}}$ 是具有最小左理想的半简单 Banach 代数和$\text{soc}({\mathcal{A}})$ 成为${\mathcal{A}}$ . 我们证明如果$\text{soc}({\mathcal{A}})$ 是一个基本的理想${\mathcal{A}}$ ,然后每个 2 局部推导${\mathcal{A}}$ 是一个推导。作为这个结果的应用,我们可以很容易地证明在一些代数上的每一个 2 局部推导,例如半单模湮灭 Banach 代数、强双三角形子空间格代数和${\数学{J}}$ -子空间格代数,是一个推导。
更新日期:2020-07-24
中文翻译:
具有最小左理想的半简单 BANACH 代数的 2-局部推导
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