Generalized Ulam - Hyers Stability of Derivations of a AQ - Functional Equation
Author
Arunkumar, M.
Full text
https://revistas.ufro.cl/ojs/index.php/cubo/article/view/132610.4067/S0719-06462013000100011
Abstract
In this paper, the author established the generalized Ulam - Hyers stability of Derivations of additive and quadratic (AQ)- functional equation
f(x + y) + f(x − y) = 2f(x) + f(y) + f(−y).