2026/2/4
Amir Sahami

Amir Sahami

Academic rank: Associate Professor
ORCID:
Education: PhD.
H-Index: 0
Faculty: Basic Science
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E-mail: a.sahami [at] ilam.ac.ir
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Research

Title
ON φ-BIFLATNESS OF QUOTIENT BANACH ALGEBRAS AND SOME COUNTEREXAMPLES
Type
JournalPaper
Keywords
φ-biflat, φ-amenable, homomorphism, Banach algebra.
Year
2025
Journal Honam Mathematical Journal
DOI
Researchers Mehdi Rostami ، Amir Sahami

Abstract

In this paper, we study the relation between biflatness and left character amenability of Banach algebras. Moreover, we prove that if A is a φ-biflat Banach algebra with a closed ideal I such that AI + IA = I, then the quotient algebra A/I is eφ-biflat. These results correct certain conclusions from [5], and we provide counterexamples that highlight the shortcomings of some of the claims made in that work.