Abstract and Applied Analysis
Volume 2007 (2007), Article ID 23282, 6 pages
doi:10.1155/2007/23282
Generalized Stability of C*-Ternary Quadratic Mappings
Choonkil Park1
and Jianlian Cui2
1Department of Mathematics, Hanyang University, Seoul 133-791, South Korea
2Department of Mathematical Sciences, Tsinghua University, Beijing 100084, China
Abstract
We prove the generalized stability of C*-ternary quadratic mappings in C*-ternary rings for the quadratic functional equation f(x+y)+f(x−y)=2f(x)+2f(y).