On the stability of a functional equation deriving from additive and quadratic functions

被引：9

作者：

Wang Liguang ^{[1
]}

Li Jing ^{[1
]}

机构：

[1] Qufu Normal Univ, Sch Math Sci, Qufu 273165, Shandong, Peoples R China

来源：

ADVANCES IN DIFFERENCE EQUATIONS | 2012年

关键词：

additive mapping; quadratic mapping; quasi-beta-normed spaces; Hyers-Ulam stability;

D O I：

10.1186/1687-1847-2012-98

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

In this article, we investigate the Hyers-Ulam stability of the following functional equation f(x + 2y) + f(x - 2y) = f(x + y) + f(x - y) + 3f(2y) - 6f(y) on quasi-beta-normed spaces.

引用

页数：12

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