Orthogonally additive-additive and orthogonally quadratic-quadratic functional equation in orthogonality spaces

被引：0
作者：
Choonkil Park
Gwang Hui Kim
Jung Rye Lee
Dong Yun Shin
机构：
[1] Research Institute for Natural Sciences,Department of Mathematics
[2] Hanyang University,Department of Mathematics
[3] Kangnam University,Department of Mathematics
[4] Daejin University,undefined
[5] University of Seoul,undefined
来源：
Journal of Inequalities and Applications | / 2012卷
关键词：
Hyers-Ulam stability; orthogonally additive-additive and orthogonally quadratic-quadratic functional equation; fixed point; non-Archimedean normed space; orthogonality space;
D O I：
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学科分类号：
摘要：
Using fixed point method, we prove the Hyers-Ulam stability of the orthogonally additive-additive and orthogonally quadratic-quadratic functional equation
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