Solution and Stability of a Mixed Type Cubic and Quartic Functional Equation in Quasi‐Banach Spaces

M. Eshaghi Gordji, S. Zolfaghari, J. M. Rassias and M. B. Savadkouhi

Abstract and Applied Analysis, 2009, vol. 2009, issue 1

Abstract: We obtain the general solution and the generalized Ulam‐Hyers stability of the mixed type cubic and quartic functional equation f(x + 2y) + f(x − 2y) = 4(f(x + y) + f(x − y)) − 24f(y) − 6f(x) + 3f(2y) in quasi‐Banach spaces.

Date: 2009
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https://doi.org/10.1155/2009/417473

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnlaaa:v:2009:y:2009:i:1:n:417473

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