On an equation characterizing multi-additive-quadratic mappings and its Hyers–Ulam stability

Anna Bahyrycz, Krzysztof Ciepliński and Jolanta Olko

Applied Mathematics and Computation, 2015, vol. 265, issue C, 448-455

Abstract: In this paper we unify the system of functional equations defining a multi-additive-quadratic mapping to obtain a single equation. We also prove, using the fixed point method, the generalized Hyers–Ulam stability of this equation thus generalizing some known results.

Keywords: Hyers–Ulam stability; Multi-additive-quadratic mapping; Fixed point method (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:265:y:2015:i:c:p:448-455

DOI: 10.1016/j.amc.2015.05.037

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