Title of article :
On the generalized stability of d Alembert functional equation
Author/Authors :
Chahbi ، Abdellatif - University of Ibn Tofail , Bounader ، Nordine - University of Ibn Tofail
Abstract :
In this article, we study the super stability problem for the functional equation: Σ ψ ∈ K n − 1 f ( ψ ( x 1 , . . . , x n ) ) = 2 n − 1 Π n i = 1 f ( x i ) on an Abelian group and the unknown function f is ( a complex or a semi simple Banach algebra valued ).
Keywords :
Stability , super stability , functional equation , functional equality , cosine functional equation.
Journal title :
Journal of Nonlinear Science and Applications
Journal title :
Journal of Nonlinear Science and Applications