In this paper we prove the Hyers-Ulam stability of the following K-quadratic functional equation [...] where E is a real (or complex) vector space. This result was used to demonstrate the Hyers-Ulam stability on a set of Lebesgue measure zero for the same functional equation.
@article{bwmeta1.element.doi-10_1515_aupcsm-2015-0011, author = {Youssef Aribou and Hajira Dimou and Abdellatif Chahbi and Samir Kabbaj}, title = {Stability of generalized quadratic functional equation on a set of measure zero}, journal = {Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica}, volume = {14}, year = {2015}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.doi-10_1515_aupcsm-2015-0011} }
Youssef Aribou; Hajira Dimou; Abdellatif Chahbi; Samir Kabbaj. Stability of generalized quadratic functional equation on a set of measure zero. Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica, Tome 14 (2015) . http://gdmltest.u-ga.fr/item/bwmeta1.element.doi-10_1515_aupcsm-2015-0011/