ON THE STABILITY OF A GENERAL QUADRATIC FUNCTIONAL EQUATION AND ITS APPLICATIONS

Kil-Woung Jun, Hark-Mahn Kim, Eunyoung Son

Abstract


The aim of this paper is to solve the general solution of a quadratic functional equation f(x+2y)+2f(x-y)= f(x-2y)+2f(x+y) in the class of functions between real vector spaces and to obtain the generalized Hyers-Ulam stability for the equation.

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ISSN: 1229-1595 (Print), 2466-0973 (Online)

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