A Fixed Point Approach to the Stability of the Cauchy Additive and Quadratic Type Functional Equation

被引:2
|
作者
Jin, Sun Sook [1 ]
Lee, Yang-Hi [1 ]
机构
[1] Gongju Natl Univ Educ, Dept Math Educ, Gongju 314711, South Korea
关键词
ULAM-RASSIAS STABILITY; MAPPINGS;
D O I
10.1155/2011/817079
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We investigate the stability of the functional equation 2f(x + y) + f(x - y) + f(y -x) - 3f(x) - f(-x) - 3f(y) - f(-y) = 0 by using the fixed point theory in the sense of Cadariu and Radu.
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页数:16
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