%0 Journal Article
%T On the Paper by A. Najati and S.-M. Jung: The Hyers-Ulam Stability of Approximately Quadratic Mapping on Restricted Domains
%A Elqorachi Elhoucien
%A Youssef Manar
%J Journal of Nonlinear Analysis and Application
%D 2012
%I International Scientific Publications and Consulting Services (ISPACS)
%R 10.5899/2012/jnaa-00127
%X In [32], A. Najati and S.-M. Jung obtained the Hyers-Ulam stability of the generalized quadratic functional equation $f(rx+sy)+rsf(x-y)=rf(x)+sf(y)$ with $r+s=1$, $req0$, $seq0$, provided that $f$ is an even mapping. The purpose of this paper is to remove this restriction.
%K Hyers-Ulam stability
%K Quadratic functional equation
%K Quadratic mapping
%K Approximate quadratic mapping
%K Asymptotic behavior
%U http://www.ispacs.com/journals/jnaa/2012/jnaa-00127/article.pdf