σ -Approximately Contractible Banach Algebras

M. Momeni; T. Yazdanpanah; M. R. Mardanbeigi

doi:10.1155/2012/653140

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Home > Journals > Abstr. Appl. Anal. > Volume 2012 > Article

2012

\sigma

-Approximately Contractible Banach Algebras

M. Momeni, T. Yazdanpanah, M. R. Mardanbeigi

Abstr. Appl. Anal. 2012: 1-20 (2012). DOI: 10.1155/2012/653140

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Abstract

We investigate $\sigma$ -approximate contractibility and $\sigma$ -approximate amenability of Banach algebras, which are extensions of usual notions of contractibility and amenability, respectively, where $\sigma$ is a dense range or an idempotent bounded endomorphism of the corresponding Banach algebra.

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M. Momeni. T. Yazdanpanah. M. R. Mardanbeigi. " $\sigma$ -Approximately Contractible Banach Algebras." Abstr. Appl. Anal. 2012 1 - 20, 2012. https://doi.org/10.1155/2012/653140