ISI/JCR

AbstractThe aim of this paper is to discuss some basic problems (existence and uniqueness, data dependence) of the fixed point…

AbstractExistence, uniqueness, data dependence (monotony, continuity, and  differentiability with respect to parameter), and Ulam-Hyers stability results for the solutions of…

Abstract In this paper, we give some general results on the asymptotic relationship between the solutions of a linear differential…

AbstractThe aim of this paper is to discuss some basic problems (existence and uniqueness, data dependence) of the Cauchy problem…

Abstract In this paper we consider a functional integral equation of the form \[ x(t)=g(t,x(t),x(h(t)))+\int_{a}^{t} f(s,x(h(s)))ds+\int_{a}^{b} K(s,x(h(s)))ds, \ \ t…

AbstractIn this paper we present for the solutions of a planar system of differential equations, extremal principle, Nicolescu-type and Butlewski-type…

AbstractUsing the step method, we study a system of delay differential equations and we prove the existence and uniqueness of…

AbstractIn this paper we study the initial value problem of first order nonlinear differential equations with maxima and discuss the…