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On Approximately σ-biflat Banach Algebras

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Abstract

We define and study approximate versions of σ-biflatness and σ-biprojectivity of a Banach algebra A where σ ∈Hom(A). We generalize the concepts pseudo amenability and pseudo contractibility via homomorphisms. We investigate their relations.

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Authors and Affiliations

  1. Department of Mathematics, Central Tehran Branch, Islamic Azad University, Tehran, Iran

    Sanaz Haddad Sabzevar & Amin Mahmoodi

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  1. Sanaz Haddad Sabzevar
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  2. Amin Mahmoodi
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Correspondence to Amin Mahmoodi.

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Sabzevar, S.H., Mahmoodi, A. On Approximately σ-biflat Banach Algebras. Acta Math Vietnam 47, 671–681 (2022). https://doi.org/10.1007/s40306-021-00458-7

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  • DOI: https://doi.org/10.1007/s40306-021-00458-7

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