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$\phi$-Johnson amenable Banach algebras and Lie derivations | ||
| AUT Journal of Mathematics and Computing | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 05 تیر 1404 | ||
| نوع مقاله: Original Article | ||
| شناسه دیجیتال (DOI): 10.22060/ajmc.2025.24052.1354 | ||
| نویسندگان | ||
| Hoger Ghahramani* ؛ Parvin Zamani | ||
| Department of Mathematics, Faculty of Science, University of Kurdistan, P.O. Box 416, Sanandaj, Kurdistan, Iran | ||
| چکیده | ||
| Let $\mathfrak{U}$ be a $\phi$-Johnson amenable Banach algebra where $\phi \in\Delta(\mathfrak{U})$ ($\Delta(\mathfrak{U})$ is the character space of $\mathfrak{U}$). Suppose that $X$ is a Banach $\mathfrak{U}$-bimodule such that $a.x=\phi(a)x$ for all $a\in \mathfrak{U}$, $x\in X$ or $x.a=\phi(a)x$ for all $a\in \mathfrak{U}$, $x\in X$. We show that any Lie derivation (not necessarily continuous) $\delta:\mathfrak{U}\rightarrow X$ with the property that $\mathfrak{S}(\delta)\subseteq \mathcal{Z}_{\mathfrak{U}}(X)$ ($\mathfrak{S}(\delta)$ is the separating space of $\delta$) can be decomposed into the sum of a continuous derivation and a center-valued trace. | ||
| کلیدواژهها | ||
| $\phi$-Johnson amenable؛ Banach algebra؛ Lie derivation. | ||
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آمار تعداد مشاهده مقاله: 130 |
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