Add to ORKGWe prove the stability of the cubic functional equation $$ f(2x+y)+f(2x-y)=2f(x+y)+2f(x-y)+12f(x)$$ in the setting of various spaces
In this paper, we investigate the stability in the sense of Hyers-Ulam for aclass of the following t...
AbstractIn this paper we establish the general solution and investigate the Hyers–Ulam–Rassias stabi...
AbstractIn this paper, we will investigate the generalized Hyers–Ulam–Rassias stability of an n-dime...
AbstractLet n⩾2 be an integer number. In this paper, we investigate the generalized Hyers–Ulam–Rassi...
AbstractLee et al. considered the following quadratic functional equation f(lx+y)+f(lx−y)=2l2f(x)+2f...
AbstractIn this paper, we prove the Hyers–Ulam–Rassias stability of the mixed type cubic–quartic fun...
In this paper, we prove a new type of stability and hyperstability results forthe following cubic fu...
In 1968 S.M. Ulam proposed the general problem: When is it true taht by changing a little the hypoth...
AbstractIn this paper, we prove a stability result for the additive Cauchy functional equation in ra...
AbstractIn this paper we investigate the Hyers–Ulam–Rassias stability of the following functional eq...
AbstractThe object of the present paper is to determine the stability of the Hyers–Ulam–Rassias type...
AbstractIn this article, we establish the stability of the orthogonally cubic type functional equati...
Recently, the stability of the cubic functional equation f(2x+y)+f(2x−y)=2f(x+y)+2f(x−...
Stability problems concerning the functional equations of the form f(2x + y) = 4f(x) + f(y) + f(x +...
AbstractWe study the stability of an equation in a single variable of the formf(x)=af(h(x))+bf(−h(x)...
In this paper, we investigate the stability in the sense of Hyers-Ulam for aclass of the following t...
AbstractIn this paper we establish the general solution and investigate the Hyers–Ulam–Rassias stabi...
AbstractIn this paper, we will investigate the generalized Hyers–Ulam–Rassias stability of an n-dime...
AbstractLet n⩾2 be an integer number. In this paper, we investigate the generalized Hyers–Ulam–Rassi...
AbstractLee et al. considered the following quadratic functional equation f(lx+y)+f(lx−y)=2l2f(x)+2f...
AbstractIn this paper, we prove the Hyers–Ulam–Rassias stability of the mixed type cubic–quartic fun...
In this paper, we prove a new type of stability and hyperstability results forthe following cubic fu...
In 1968 S.M. Ulam proposed the general problem: When is it true taht by changing a little the hypoth...
AbstractIn this paper, we prove a stability result for the additive Cauchy functional equation in ra...
AbstractIn this paper we investigate the Hyers–Ulam–Rassias stability of the following functional eq...
AbstractThe object of the present paper is to determine the stability of the Hyers–Ulam–Rassias type...
AbstractIn this article, we establish the stability of the orthogonally cubic type functional equati...
Recently, the stability of the cubic functional equation f(2x+y)+f(2x−y)=2f(x+y)+2f(x−...
Stability problems concerning the functional equations of the form f(2x + y) = 4f(x) + f(y) + f(x +...
AbstractWe study the stability of an equation in a single variable of the formf(x)=af(h(x))+bf(−h(x)...
In this paper, we investigate the stability in the sense of Hyers-Ulam for aclass of the following t...
AbstractIn this paper we establish the general solution and investigate the Hyers–Ulam–Rassias stabi...
AbstractIn this paper, we will investigate the generalized Hyers–Ulam–Rassias stability of an n-dime...