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math.FA2026
T Extended Weakly Contractive, Kannan, and Geraghty Mappings Fixed Points, Equivalences,
Fatemeh Fogh, Sara Behnamian
We develop a unified T-extended framework for weakly contractive, weakly Kannan, and Geraghty classes of self-maps S on a metric space (X, d), where distances are measured on the a…
math.FA2017
Pointwise amenable, non-amenable Banach algebras
Sara Behnamian, Amin Mahmoodi
It is shown that a pointwise amenable Banach algebra need not be amenable. This positively answer a question raised by Dales, Ghahramani and Loy.