Additive s-functional inequality and hom-derivations in Banach algebras

Choonkil Park, Jung Rye Lee, Xiaohong Zhang

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

In this paper, we introduce and solve the following additive s-functional inequality: ∥f(x+y)-f(x)-f(y)∥≤‖s(f(x-y)-f(x)-f(-y))‖,where s is a fixed nonzero complex number with

Original languageEnglish
Article number18
JournalJournal of Fixed Point Theory and Applications
Volume21
Issue number1
DOIs
StatePublished - 2019 Mar 1

Keywords

  • Hyers–Ulam stability
  • additive s-functional inequality
  • direct method
  • fixed point method
  • hom-derivation in Banach algebra

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