Orthogonal Stability of an Additive-Quadratic Functional Equation

Fixexd point theory and applications

Choonkil Park¹ 

[1] Department of Mathematics, Research Institute for Natural Sciences, Hanyang University, Seoul, Republic of Korea

关键词: Hyers-Ulam stability;    fixed point;    orthogonally additive-quadratic functional equation;    orthogonality space;   

DOI  :  10.1186/1687-1812-2011-66

学科分类：数学（综合）

来源: SpringerOpen

【 摘 要 】

Using the fixed point method and using the direct method, we prove the Hyers-Ulam stability of an orthogonally additive-quadratic functional equation in orthogonality spaces. (2010) Mathematics Subject Classification: Primary 39B55; 47H10; 39B52; 46H25.

【 授权许可】

CC BY