AbstractIn this paper the general method for proving stability of linear functional equations is described
AbstractWe provide a complete solution of the problem of Hyers–Ulam stability for a large class of h...
AbstractLet E1 and E2 be real linear spaces. In this paper, we determine the general solution for a ...
AbstractWe prove the Hyers–Ulam stability of linear differential equations of second order. That is,...
AbstractWe study the stability of an equation in a single variable of the formf(x)=af(h(x))+bf(−h(x)...
Stability problems concerning the functional equations of the form f(2x + y) = 4f(x) + f(y) + f(x +...
We present a solution of Ulam’s stability problem for the functional equation f(x * g(y)) = f(x)f(y...
In 1968 S.M. Ulam proposed the general problem: When is it true taht by changing a little the hypoth...
AbstractIt is the purpose of this paper to investigate the stability problem of Ulam for an approxim...
We present some applications of the Banach limit in the study of the stability of the linear functio...
AbstractWe show that, under some assumptions, every approximate solution of the linear functional eq...
AbstractIn 1940 S. M. Ulam proposed at the University of Wisconsin theproblem: “Give conditions in o...
AbstractWe prove that the existence of a global prime integral leads, in appropriate conditions, to ...
AbstractIn this paper, we will introduce a new multiplicative functional Eq. (1) and prove that the ...
AbstractThis paper discusses Hyers–Ulam stability for functional equations in single variable, inclu...
AbstractWe obtain some results on generalized Hyers–Ulam stability of the linear differential equati...
AbstractWe provide a complete solution of the problem of Hyers–Ulam stability for a large class of h...
AbstractLet E1 and E2 be real linear spaces. In this paper, we determine the general solution for a ...
AbstractWe prove the Hyers–Ulam stability of linear differential equations of second order. That is,...
AbstractWe study the stability of an equation in a single variable of the formf(x)=af(h(x))+bf(−h(x)...
Stability problems concerning the functional equations of the form f(2x + y) = 4f(x) + f(y) + f(x +...
We present a solution of Ulam’s stability problem for the functional equation f(x * g(y)) = f(x)f(y...
In 1968 S.M. Ulam proposed the general problem: When is it true taht by changing a little the hypoth...
AbstractIt is the purpose of this paper to investigate the stability problem of Ulam for an approxim...
We present some applications of the Banach limit in the study of the stability of the linear functio...
AbstractWe show that, under some assumptions, every approximate solution of the linear functional eq...
AbstractIn 1940 S. M. Ulam proposed at the University of Wisconsin theproblem: “Give conditions in o...
AbstractWe prove that the existence of a global prime integral leads, in appropriate conditions, to ...
AbstractIn this paper, we will introduce a new multiplicative functional Eq. (1) and prove that the ...
AbstractThis paper discusses Hyers–Ulam stability for functional equations in single variable, inclu...
AbstractWe obtain some results on generalized Hyers–Ulam stability of the linear differential equati...
AbstractWe provide a complete solution of the problem of Hyers–Ulam stability for a large class of h...
AbstractLet E1 and E2 be real linear spaces. In this paper, we determine the general solution for a ...
AbstractWe prove the Hyers–Ulam stability of linear differential equations of second order. That is,...
DOI
Add to ORKG