In this paper, the author established the generalized Ulam- Hyers stability of Deriva-tions of additive and quadratic (AQ)- functional equation f(x+ y) + f(x − y) = 2f(x) + f(y) + f(−y). RESUMEN En este art́ıculo el autor establece la estabilidad generalizada Ulam-Hyers de deriva-ciones de la ecuación (AQ)-funcional cuadrática y aditiva f(x+ y) + f(x − y) = 2f(x) + f(y) + f(−y)
Using fixed point method, we prove the Hyers-Ulam stability of the orthogonally additive-additive an...
AbstractIn this paper, we prove the generalized Hyers–Ulam stability of the following mixed additive...
We establish the generalized Hyers-Ulam stability of a Pexider-type functonal equation f1(x+y+z)+f2(...
We investigate the generalized Hyers-Ulam stability of a functional equation f∑j=1nxj+(n-2)∑j=1nf(...
We achieve the general solution and the generalized Hyers-Ulam-Rassias and Ulam-Gavruta-Rassias stab...
In this paper, we prove the generalized Hyers-Ulam stability of the following additive-quadratic-cub...
In this paper, we define a generalized additive set-valued functional equation, which is related to ...
Abstract. In this paper, we achieve the Hyers-Ulam-Rassias stability of the following system of func...
Abstract Using the fixed-point method, we prove the generalized Hyers-Ulam stability of the function...
Abstract: We give the general solution of the functional equation f(2x − y) + f(2y − z) + f(2z − x) ...
We give the solution of the functional equation f(x + y) + λf(x)f(y) = Φ(x, y) under some condition...
In this paper, we consider the additive-cubic-quartic functional equation 11[f(x + 2y) + f (x - 2y)]...
In this paper, we investigate the quadratic alpha-functional equation 2f (x) + 2 f (y) - f (x y) ...
In this paper we prove the Hyers-Ulam stability of the following K-quadratic functional equation ∑ k...
Lee, An and Park introduced the quadratic functional equation f(2x+y) + f(2x-y) = 8f(x) + 2f(y) and ...
Using fixed point method, we prove the Hyers-Ulam stability of the orthogonally additive-additive an...
AbstractIn this paper, we prove the generalized Hyers–Ulam stability of the following mixed additive...
We establish the generalized Hyers-Ulam stability of a Pexider-type functonal equation f1(x+y+z)+f2(...
We investigate the generalized Hyers-Ulam stability of a functional equation f∑j=1nxj+(n-2)∑j=1nf(...
We achieve the general solution and the generalized Hyers-Ulam-Rassias and Ulam-Gavruta-Rassias stab...
In this paper, we prove the generalized Hyers-Ulam stability of the following additive-quadratic-cub...
In this paper, we define a generalized additive set-valued functional equation, which is related to ...
Abstract. In this paper, we achieve the Hyers-Ulam-Rassias stability of the following system of func...
Abstract Using the fixed-point method, we prove the generalized Hyers-Ulam stability of the function...
Abstract: We give the general solution of the functional equation f(2x − y) + f(2y − z) + f(2z − x) ...
We give the solution of the functional equation f(x + y) + λf(x)f(y) = Φ(x, y) under some condition...
In this paper, we consider the additive-cubic-quartic functional equation 11[f(x + 2y) + f (x - 2y)]...
In this paper, we investigate the quadratic alpha-functional equation 2f (x) + 2 f (y) - f (x y) ...
In this paper we prove the Hyers-Ulam stability of the following K-quadratic functional equation ∑ k...
Lee, An and Park introduced the quadratic functional equation f(2x+y) + f(2x-y) = 8f(x) + 2f(y) and ...
Using fixed point method, we prove the Hyers-Ulam stability of the orthogonally additive-additive an...
AbstractIn this paper, we prove the generalized Hyers–Ulam stability of the following mixed additive...
We establish the generalized Hyers-Ulam stability of a Pexider-type functonal equation f1(x+y+z)+f2(...
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