Aggregate special functions to approximate permuting tri-homomorphisms and permuting tri-derivations associated with a tri-additive -functional inequality in Banach algebras
ACTA MATHEMATICA SCIENTIA(2024)
摘要
In this paper, we define a new class of control functions through aggregate special functions. These class of control functions help us to stabilize and approximate a tri-additive psi-functional inequality to get a better estimation for permuting tri-homomorphisms and permuting tri-derivations in unital C*-algebras and Banach algebras by the vector-valued alternative fixed point theorem.
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关键词
permuting tri-homomorphism in Banach algebra,permuting tri-derivation on C*-algebra,fixed point theorem,Ulam-Hyers-Rassias stability,aggregate special functions,tri-additive psi-functional inequality
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