Fixed point approach to the Hyers-Ulam-Rassias approximation‎ ‎of homomorphisms and derivations on Non-Archimedean random Lie $C^*$-algebras

Authors

  • A. Heidarzadegan Department of Mathematics, Beyza Branch, Islamic Azad University, Beyza, Iran.
  • A. Toorani Department of Mathematics, Beyza Branch, Islamic Azad University, Beyza, Iran.
  • H. Azadi Kenary Department of Mathematics, Beyza Branch, Islamic Azad University, Beyza, Iran.
Abstract:

‎In this paper‎, ‎using fixed point method‎, ‎we prove the generalized Hyers-Ulam stability of‎ ‎random homomorphisms in random $C^*$-algebras and random Lie $C^*$-algebras‎ ‎and of derivations on Non-Archimedean random C$^*$-algebras and Non-Archimedean random Lie C$^*$-algebras for‎ ‎the following $m$-variable additive functional equation:‎ ‎$$sum_{i=1}^m f(x_i)=frac{1}{2m}left[sum_{i=1}^mfleft( m x_i‎ + ‎sum_{j=1~,ineq j}^m x_jright)+fleft(sum_{i=1}^m x_iright) right]$$‎ ‎The concept of Hyers-Ulam-Rassias stability originated from Th‎. ‎M.‎ ‎Rassias� stability theorem that appeared in his paper‎: ‎On the‎ ‎stability of the linear mapping in Banach spaces‎, ‎Proc‎. ‎Amer.‎ ‎Math‎. ‎Soc‎. ‎72 (1978)‎, ‎297-300.

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Journal title

volume 2  issue 1

pages  55- 66

publication date 2014-06-30

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