(φ,ψ)- biprojective Banach algebras

Zahra Ghorbani, Javad Baradaran

Abstract


 

The article studies the concept of a  biprojective and pseudo amenable Banach algebra , where  is a continuous homomorphism on  and . We show if  is  contractible, then  is  biprojective. The converse holds, whenever  is either unital or commutative and there exists  such that .

 


Keywords


Banach algebra, (φ,ψ)- amenable, , (φ,ψ)-biprojective

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