AbstractAll the literature on the stability of the quadratic functional equation focus on the case where the relevant domain is an Abelian group or a normed space. In this note, we solve the stability problem of the quadratic functional equation on amenable groups
We have proved theHyers-Ulam stability and the hyperstability of the quadratic functional equation f...
AbstractWe use the operatorial approach to obtain, in non-Archimedean spaces, the Hyers–Ulam stabili...
AbstractLet E1 and E2 be real linear spaces. In this paper, we determine the general solution for a ...
AbstractAll the literature on the stability of the quadratic functional equation focus on the case w...
Stability problems concerning the functional equations of the form f(2x + y) = 4f(x) + f(y) + f(x +...
[[abstract]]In this paper, the ( ; ){stability of the quadratic functional equa- tion is considered...
AbstractIn this paper, we investigate the Hyers–Ulam–Rassias stability problems of a new quadratic f...
AbstractThe Hyers–Ulam stability of the quadratic functional equation (1) on a restricted domain sha...
In this paper the stability of quadratic functional equation, f(xy)+f(xy-1)=2f(x)+2f(y) on class of ...
AbstractIt is the purpose of this paper to investigate the stability problem of Ulam for an approxim...
summary:Let $X, Y$ be complex vector spaces. Recently, Park and Th.M. Rassias showed that if a mappi...
Abstract. In this paper, we investigate the stability using shadowing property in Abelian metric gro...
AbstractLet G be an Abelian group with a metric d and E a normed space. For any f:G→E we define the ...
AbstractIn this paper, we solve a new functional equation f(2x+y)+f(2x−y)=4f(x+y)+4f(x−y)+24f(x)−6f(...
AbstractLet (G,+) be an abelian group and let E be a normed space. A mapping f:G→E is called ε-quadr...
We have proved theHyers-Ulam stability and the hyperstability of the quadratic functional equation f...
AbstractWe use the operatorial approach to obtain, in non-Archimedean spaces, the Hyers–Ulam stabili...
AbstractLet E1 and E2 be real linear spaces. In this paper, we determine the general solution for a ...
AbstractAll the literature on the stability of the quadratic functional equation focus on the case w...
Stability problems concerning the functional equations of the form f(2x + y) = 4f(x) + f(y) + f(x +...
[[abstract]]In this paper, the ( ; ){stability of the quadratic functional equa- tion is considered...
AbstractIn this paper, we investigate the Hyers–Ulam–Rassias stability problems of a new quadratic f...
AbstractThe Hyers–Ulam stability of the quadratic functional equation (1) on a restricted domain sha...
In this paper the stability of quadratic functional equation, f(xy)+f(xy-1)=2f(x)+2f(y) on class of ...
AbstractIt is the purpose of this paper to investigate the stability problem of Ulam for an approxim...
summary:Let $X, Y$ be complex vector spaces. Recently, Park and Th.M. Rassias showed that if a mappi...
Abstract. In this paper, we investigate the stability using shadowing property in Abelian metric gro...
AbstractLet G be an Abelian group with a metric d and E a normed space. For any f:G→E we define the ...
AbstractIn this paper, we solve a new functional equation f(2x+y)+f(2x−y)=4f(x+y)+4f(x−y)+24f(x)−6f(...
AbstractLet (G,+) be an abelian group and let E be a normed space. A mapping f:G→E is called ε-quadr...
We have proved theHyers-Ulam stability and the hyperstability of the quadratic functional equation f...
AbstractWe use the operatorial approach to obtain, in non-Archimedean spaces, the Hyers–Ulam stabili...
AbstractLet E1 and E2 be real linear spaces. In this paper, we determine the general solution for a ...
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