SQUARE ROOT AND 3RD ROOT FUNCTIONAL EQUATIONS IN C^*-ALGEBRAS:

Authors

  • CHOONKIL PARK Department of Mathematics, Research Institute for Natural Sciences, Hanyang University, Seoul 133791, South Korea

Keywords:

Hyers-Ulam stability, C∗-algebra, Convex cone, Fixed point, Square root functional equation, 3rd root functional equation

Abstract

In this paper, we introduce a square root functional equation anda 3rd root functional equation. Using fixed point methods, we prove the Hyers-Ulam stability of the square root functional equation and of the 3rd root functional equation in Coalgebras.

Additional Files

Published

12/21/2011

Issue

Vol. 2 No. 1 (2011): JNAO

Section

Research Articles

License

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Copyright (c) 2010 Journal of Nonlinear Analysis and Optimization: Theory & Applications

Creative Commons License

This work is licensed under aย Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.