Approximate Quadratic-Additive Mappings in Fuzzy Normed Spaces

被引：0

作者：

Chang, Ick-Soon ^{[1
]}

Lee, Yang-Hi ^{[2
]}

机构：

[1] Chungnam Natl Univ, Dept Math, Taejon 305764, South Korea

[2] Gongju Natl Univ Educ, Dept Math Educ, Gongju 314711, South Korea

来源：

DISCRETE DYNAMICS IN NATURE AND SOCIETY | 2014年 / 2014卷

基金：

新加坡国家研究基金会;

关键词：

STABILITY;

D O I：

10.1155/2014/494781

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We examine the generalized Hyers-Ulam stability of the following functional equation: 2f (x + y + z + w) + f (- x - y + z + w) + f (-x + y - z + w) + f (- x + y + z - w) + f (x - y - z + w) + f (x - y + z - w) + f (x + y - z - w) - 5f (x) - 3f (-x) -5f (y) - 3f (- y) - 5f (z) - 3f (-z) - 5f (w) - 3f (-w) = 0, in the fuzzy normed spaces with the fixed point method.

引用

页数：7

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