Kyungpook Mathematical Journal, Volume (49), No (2), Year (2009-9) , Pages (289-297)

Title : ( Stability of Quartic Mappings in Non-Archimedean Normed Spaces )

Authors: Seyyed Alireza Kamel Mirmostafaee ,
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Abstract

Abstract. We establish a new method to prove Hyers-Ulam-Rassias stability of the quartic functional equation f(2x + y) + f(2x − y) + 6f(y) = 4[f(x + y) + f(x − y) + 6f(x)] in non-Archimedean normed linear spaces.

Keywords

, Key words and phrases: quartic functional equation, Hyers-Ulam-Rassias stability, non-Archimedean normed spaces.