Journal of Inequalities and Applications (Feb 2023)

Special functions and multi-stability of the Jensen type random operator equation in C ∗ $C^{*}$ -algebras via fixed point

  • Safoura Rezaei Aderyani,
  • Reza Saadati,
  • Chenkuan Li,
  • Themistocles M. Rassias,
  • Choonkil Park

DOI
https://doi.org/10.1186/s13660-023-02942-0
Journal volume & issue
Vol. 2023, no. 1
pp. 1 – 24

Abstract

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Abstract In this paper, we apply some special functions to introduce a new class of control functions that help us define the concept of multi-stability. Further, we investigate the multi-stability of homomorphisms in C ∗ $C^{*}$ -algebras and Lie C ∗ $C^{*}$ -algebras, multi-stability of derivations in C ∗ $C^{*}$ -algebras, and Lie C ∗ $C^{*}$ -algebras for the following random operator equation via fixed point methods: μ f ( ð , x + y 2 ) + μ f ( ð , x − y 2 ) = f ( ð , μ x ) . $$ \mu f \biggl(\eth , \frac{x+y}{2} \biggr) + \mu f \biggl(\eth , \frac{x-y}{2} \biggr) = f(\eth , \mu x) . $$ In particular, for μ = 1 $\mu = 1$ , the above equation turns out to be Jensen’s random operator equation.

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