AbstractIn this paper, we investigate the superstability of d’Alembert’s functional equation f(ab)+f(ai(b))=2f(a)f(b),a,b∈H, where H is the Heisenberg group and the map i:H⟶H is an automorphism of H such that i∘i=id (the identity map)
We study the solutions of the integral Kannappan’s and Van Vleck’s functional equations ∫Sf(xyt)dµ(t...
Let G be a uniquely 2-divisible commutative group and let f,g:G→C and σ:G→G be an involution. In thi...
Let L be the full laplacian on the Heisenberg group $ℍ^{n}$ of arbitrary dimension n. Then for $f ∈ ...
AbstractIn this paper, we investigate the superstability of d’Alembert’s functional equation f(ab)+f...
The aim of this paper is to study the superstability problem of the d’Alembert type functional equat...
In this paper, we obtain the superstability of the functional equation f(pr, qs) + g(ps, qr) = θ(pq...
AbstractThe stability behaviour of the functional equation F(y)−F(x)=(y−x)f((x+y)/2) is studied. It ...
Abstract. The aim of this note is to offer hyperstability results for linear functional equations of...
We solve the functional equation and α is a real parameter, on the monoid R 2 . Also we investigate ...
AbstractIn this paper we study the Hyers–Ulam stability and the superstability of the functional equ...
Abstract. In this paper, we study the stability of the system of functional equations f(xy) + f(xy−1...
Using the fixed point method, we prove the hyperstablity of the functional equation f (ax + by) = ...
Let (X,◦) be an Abelain semigroup, g: X → X, and let K be either R or C. We prove superstability of ...
International audienceThis paper deals with the Schrodinger equation $i\partial_s u({\bf z},t;s)-\ca...
In this paper, we study the superstablity problem of the cosine and sine type functional equations: ...
We study the solutions of the integral Kannappan’s and Van Vleck’s functional equations ∫Sf(xyt)dµ(t...
Let G be a uniquely 2-divisible commutative group and let f,g:G→C and σ:G→G be an involution. In thi...
Let L be the full laplacian on the Heisenberg group $ℍ^{n}$ of arbitrary dimension n. Then for $f ∈ ...
AbstractIn this paper, we investigate the superstability of d’Alembert’s functional equation f(ab)+f...
The aim of this paper is to study the superstability problem of the d’Alembert type functional equat...
In this paper, we obtain the superstability of the functional equation f(pr, qs) + g(ps, qr) = θ(pq...
AbstractThe stability behaviour of the functional equation F(y)−F(x)=(y−x)f((x+y)/2) is studied. It ...
Abstract. The aim of this note is to offer hyperstability results for linear functional equations of...
We solve the functional equation and α is a real parameter, on the monoid R 2 . Also we investigate ...
AbstractIn this paper we study the Hyers–Ulam stability and the superstability of the functional equ...
Abstract. In this paper, we study the stability of the system of functional equations f(xy) + f(xy−1...
Using the fixed point method, we prove the hyperstablity of the functional equation f (ax + by) = ...
Let (X,◦) be an Abelain semigroup, g: X → X, and let K be either R or C. We prove superstability of ...
International audienceThis paper deals with the Schrodinger equation $i\partial_s u({\bf z},t;s)-\ca...
In this paper, we study the superstablity problem of the cosine and sine type functional equations: ...
We study the solutions of the integral Kannappan’s and Van Vleck’s functional equations ∫Sf(xyt)dµ(t...
Let G be a uniquely 2-divisible commutative group and let f,g:G→C and σ:G→G be an involution. In thi...
Let L be the full laplacian on the Heisenberg group $ℍ^{n}$ of arbitrary dimension n. Then for $f ∈ ...