AbstractFor the delay-difference equation, x(n+1) = f(n, x(n), x(n−ϕ(n))), satisfying x(j) = τ(j), j belonging to an initial segment, smooth dependence of a solution, x(n, τ), with respect to τ, is considered
AbstractConsider the delay difference equation xn+1−xn+pnxτ(n)=0, 0,1,2,…,where τ : N → Z, τ(n) < n ...
AbstractThe present paper is the first step in the systematic study of differences and similarities ...
AbstractConsider the delay difference equation ξn+1−ξn+pnξτ(n)=0, n=0,1,2,…,where τ : N → Z is nonde...
AbstractFor the delay-difference equation, x(n+1) = f(n, x(n), x(n−ϕ(n))), satisfying x(j) = τ(j), j...
AbstractIn this paper we study differentiability of solutions with respect to parameters in state-de...
AbstractConsider the delay difference equationy(t) − y(t−τ) + p(t)H(y(t − θ)) = ƒ(t), t⩽0,where τ > ...
AbstractConsider the delay difference equationχn+1−χn+pnχn−k=0, n-0,1,2,…where {pn} is a sequence of...
AbstractWe investigate how the behaviour, especially at ±∞, of continuous real solutions f(t) to the...
AbstractWe derive a class of delay difference equations with piecewise constant nonlinearity. The co...
AbstractSufficient conditions will be given for the existence of the limit of f(x) for x→∞ if f is a...
In this paper we consider a class of functional differential equations with time-dependent delay. We...
AbstractWe establish limiting relations between solutions for a large class of functional differenti...
AbstractWe establish a necessary and sufficient condition for the existence of positive solutions an...
AbstractComparison theorems are studied for a delay differential equation of the form x′(t) = − ∑i =...
AbstractA functional analytic method is used to prove a general theorem which establishes the existe...
AbstractConsider the delay difference equation xn+1−xn+pnxτ(n)=0, 0,1,2,…,where τ : N → Z, τ(n) < n ...
AbstractThe present paper is the first step in the systematic study of differences and similarities ...
AbstractConsider the delay difference equation ξn+1−ξn+pnξτ(n)=0, n=0,1,2,…,where τ : N → Z is nonde...
AbstractFor the delay-difference equation, x(n+1) = f(n, x(n), x(n−ϕ(n))), satisfying x(j) = τ(j), j...
AbstractIn this paper we study differentiability of solutions with respect to parameters in state-de...
AbstractConsider the delay difference equationy(t) − y(t−τ) + p(t)H(y(t − θ)) = ƒ(t), t⩽0,where τ > ...
AbstractConsider the delay difference equationχn+1−χn+pnχn−k=0, n-0,1,2,…where {pn} is a sequence of...
AbstractWe investigate how the behaviour, especially at ±∞, of continuous real solutions f(t) to the...
AbstractWe derive a class of delay difference equations with piecewise constant nonlinearity. The co...
AbstractSufficient conditions will be given for the existence of the limit of f(x) for x→∞ if f is a...
In this paper we consider a class of functional differential equations with time-dependent delay. We...
AbstractWe establish limiting relations between solutions for a large class of functional differenti...
AbstractWe establish a necessary and sufficient condition for the existence of positive solutions an...
AbstractComparison theorems are studied for a delay differential equation of the form x′(t) = − ∑i =...
AbstractA functional analytic method is used to prove a general theorem which establishes the existe...
AbstractConsider the delay difference equation xn+1−xn+pnxτ(n)=0, 0,1,2,…,where τ : N → Z, τ(n) < n ...
AbstractThe present paper is the first step in the systematic study of differences and similarities ...
AbstractConsider the delay difference equation ξn+1−ξn+pnξτ(n)=0, n=0,1,2,…,where τ : N → Z is nonde...
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