Add to ORKGAbstract. We study a higher order singular functional difference equation on Z. Sufficient conditions are obtained for the existence of at least one positive periodic solution of the equation. Our proof utilizes the nonlinear alternative of Leray-Schauder
Based on a continuation theorem of Mawhin, positive periodic solutions are found for difference equa...
AbstractIn this paper, we employ the Mawhin continuation theorem to study the existence of positive ...
AbstractWe consider positive solutions of the following difference equation: We prove that every po...
Abstract. We consider a higher order functional difference equations on Z with an eigen-value parame...
summary:Based on the fixed-point theorem in a cone and some analysis skill, a new sufficient conditi...
summary:Based on the fixed-point theorem in a cone and some analysis skill, a new sufficient conditi...
AbstractBy using Krasnoselskii's fixed point theorem and upper and lower solutions method, we find s...
AbstractConsider the following non-autonomous first order functional difference equation Δx(n)=a(n)x...
AbstractBy using a well-known fixed point index theorem, we study the existence, multiplicity and no...
In this paper, we employ Kranoselskii fixed point theorem and obtain sufficient conditions for the e...
AbstractIn this paper, we use the upper and lower solutions method to show that there existsa λ*, su...
In this article, we study a higher-order nonlinear difference equation. By using critical point the...
We study the existence of a positive periodic solution for second-order singular semipositone differ...
We study the existence of a positive periodic solution for second-order singular semipositone differ...
Based on a continuation theorem of Mawhin, positive periodic solutions are found for difference equa...
Based on a continuation theorem of Mawhin, positive periodic solutions are found for difference equa...
AbstractIn this paper, we employ the Mawhin continuation theorem to study the existence of positive ...
AbstractWe consider positive solutions of the following difference equation: We prove that every po...
Abstract. We consider a higher order functional difference equations on Z with an eigen-value parame...
summary:Based on the fixed-point theorem in a cone and some analysis skill, a new sufficient conditi...
summary:Based on the fixed-point theorem in a cone and some analysis skill, a new sufficient conditi...
AbstractBy using Krasnoselskii's fixed point theorem and upper and lower solutions method, we find s...
AbstractConsider the following non-autonomous first order functional difference equation Δx(n)=a(n)x...
AbstractBy using a well-known fixed point index theorem, we study the existence, multiplicity and no...
In this paper, we employ Kranoselskii fixed point theorem and obtain sufficient conditions for the e...
AbstractIn this paper, we use the upper and lower solutions method to show that there existsa λ*, su...
In this article, we study a higher-order nonlinear difference equation. By using critical point the...
We study the existence of a positive periodic solution for second-order singular semipositone differ...
We study the existence of a positive periodic solution for second-order singular semipositone differ...
Based on a continuation theorem of Mawhin, positive periodic solutions are found for difference equa...
Based on a continuation theorem of Mawhin, positive periodic solutions are found for difference equa...
AbstractIn this paper, we employ the Mawhin continuation theorem to study the existence of positive ...
AbstractWe consider positive solutions of the following difference equation: We prove that every po...