AbstractWe prove the existence and multiplicity of positive T-periodic solution(s) for T-periodic equation x′(t)=h(t,x)−λb(t)f(x(t−τ(t))) by Krasnoselskii fixed point theorem, where f(x) may be singular at x=0. Our results improve some recent results in previous literature
AbstractThe second order nonlinear delay differential equation with periodic coefficients x″(t)+p(t)...
AbstractThe existence and multiplicity of positive solutions are established to periodic boundary va...
AbstractSufficient conditions for the existence of at least one T-periodic solution of nonlinear fun...
AbstractWe consider the existence of positive ω-periodic solutions for the equationu′(t)=a(t)g(u(t))...
AbstractIn our paper, by employing Krasnoselskii fixed point theorem, we investigate the existence o...
summary:We study the existence of one-signed periodic solutions of the equations \begin{align} & x^{...
summary:We study the existence of one-signed periodic solutions of the equations \begin{align} & x^{...
AbstractBy using a well-known fixed point index theorem, we study the existence, multiplicity and no...
AbstractIn this paper, we discuss the existence of positive periodic solutions to the nonlinear diff...
AbstractThe existence and uniqueness of T-periodic solutions for the following boundary value proble...
AbstractThis work deals with the existence of positive ω-periodic solutions for the delay differenti...
AbstractIn this paper, we consider a kind of Rayleigh equation with two deviating arguments of the f...
AbstractThe purpose of this paper is two-fold. Firstly, we will give some parabolic-like conditions ...
AbstractBy using Krasnoselskii's fixed point theorem and upper and lower solutions method, we find s...
AbstractBy using a fixed point theorem of strict-set-contraction, some criteria are established for ...
AbstractThe second order nonlinear delay differential equation with periodic coefficients x″(t)+p(t)...
AbstractThe existence and multiplicity of positive solutions are established to periodic boundary va...
AbstractSufficient conditions for the existence of at least one T-periodic solution of nonlinear fun...
AbstractWe consider the existence of positive ω-periodic solutions for the equationu′(t)=a(t)g(u(t))...
AbstractIn our paper, by employing Krasnoselskii fixed point theorem, we investigate the existence o...
summary:We study the existence of one-signed periodic solutions of the equations \begin{align} & x^{...
summary:We study the existence of one-signed periodic solutions of the equations \begin{align} & x^{...
AbstractBy using a well-known fixed point index theorem, we study the existence, multiplicity and no...
AbstractIn this paper, we discuss the existence of positive periodic solutions to the nonlinear diff...
AbstractThe existence and uniqueness of T-periodic solutions for the following boundary value proble...
AbstractThis work deals with the existence of positive ω-periodic solutions for the delay differenti...
AbstractIn this paper, we consider a kind of Rayleigh equation with two deviating arguments of the f...
AbstractThe purpose of this paper is two-fold. Firstly, we will give some parabolic-like conditions ...
AbstractBy using Krasnoselskii's fixed point theorem and upper and lower solutions method, we find s...
AbstractBy using a fixed point theorem of strict-set-contraction, some criteria are established for ...
AbstractThe second order nonlinear delay differential equation with periodic coefficients x″(t)+p(t)...
AbstractThe existence and multiplicity of positive solutions are established to periodic boundary va...
AbstractSufficient conditions for the existence of at least one T-periodic solution of nonlinear fun...
DOI
Add to ORKG