Nearly Radical Quadratic Functional Equations in p-2-Normed Spaces

被引：11

作者：

Gordji, M. Eshaghi ^{[1
]}

Khodaei, H. ^{[2
]}

Ebadian, A. ^{[3
]}

Kim, G. H. ^{[4
]}

机构：

[1] Semnan Univ, Dept Math, Semnan, Iran

[2] Semnan Univ, CENAA, Semnan, Iran

[3] Payame Noor Univ, Dept Math, Tehran, Iran

[4] Kangnam Univ, Dept Math, Yongin 446702, Gyeonggi, South Korea

来源：

ABSTRACT AND APPLIED ANALYSIS | 2012年

关键词：

APPROXIMATELY LINEAR MAPPINGS; HYERS-ULAM STABILITY; BETA-NORMED SPACES; 2-BANACH SPACES; ADDITIVE MAPPINGS;

D O I：

10.1155/2012/896032

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We establish some stability results in 2-normed spaces for the radical quadratic functional equation f(root Sigma(n)(i=1)(x(i) + y(i))(2) + f(root Sigma(n)(i=1)(x(i) - y(i))(2) = 2 Sigma(n)(i=1) (f(x(i)) + f(y(i))) and then use subadditive functions to prove its stability in p-2-normed spaces.

引用

页数：10

共 48 条

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