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Fixed Point Methods for the Generalized Stability of Functional Equations in a Single Variable

Abstract

We discuss on the generalized Ulam-Hyers stability for functional equations in a single variable, including the nonlinear functional equations, the linear functional equations, and a generalization of functional equation for the square root spiral. The stability results have been obtained by a fixed point method. This method introduces a metrical context and shows that the stability is related to some fixed point of a suitable operator.

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Correspondence to Liviu Cădariu.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Cădariu, L., Radu, V. Fixed Point Methods for the Generalized Stability of Functional Equations in a Single Variable. Fixed Point Theory Appl 2008, 749392 (2007). https://doi.org/10.1155/2008/749392

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  • DOI: https://doi.org/10.1155/2008/749392

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