Add to ORKGAbstract. In this work we do a survey on the method of lower and upper solutions for periodic and anti-periodic discrete problems. Some new existence results are also given
In this paper we develop the monotone method in the presence of lower and upper solutions for the pr...
AbstractIn this paper, we will study two classes of difference equations which are piecewise-linear ...
We prove existence and uniqueness results in the presence of coupled lower and upper solutions for t...
After recalling the fundamental concepts and results of the method of upper and lower solutions for ...
AbstractThis paper is concerned with periodic and antiperiodic boundary value problems for self-adjo...
10.1016/S0898-1221(01)00191-2Computers and Mathematics with Applications423-5719-727CMAP
By applying the least action principle and minimax methods in critical point theory, we prove the ex...
AbstractWe prove existence and uniqueness results for solutions of second-order nonlinear difference...
The authors consider the second-order nonlinear difference equation of the type using critical po...
An essentially nonlinear difference equation with delay serving as a mathematical model of several a...
We prove that if there exists α≤β, a pair of lower and upper solutions of the first-order...
Abstract In a recent paper several periodic systems of difference equations have been presented. We ...
AbstractWe study a periodic boundary value problem for a first-order differential equation from a ne...
We use Brouwer degree to prove existence and multiplicity results for the periodic solutions of some...
We prove that if there exists α ≤ β, a pair of lower and upper solutions of the first-order discrete...
In this paper we develop the monotone method in the presence of lower and upper solutions for the pr...
AbstractIn this paper, we will study two classes of difference equations which are piecewise-linear ...
We prove existence and uniqueness results in the presence of coupled lower and upper solutions for t...
After recalling the fundamental concepts and results of the method of upper and lower solutions for ...
AbstractThis paper is concerned with periodic and antiperiodic boundary value problems for self-adjo...
10.1016/S0898-1221(01)00191-2Computers and Mathematics with Applications423-5719-727CMAP
By applying the least action principle and minimax methods in critical point theory, we prove the ex...
AbstractWe prove existence and uniqueness results for solutions of second-order nonlinear difference...
The authors consider the second-order nonlinear difference equation of the type using critical po...
An essentially nonlinear difference equation with delay serving as a mathematical model of several a...
We prove that if there exists α≤β, a pair of lower and upper solutions of the first-order...
Abstract In a recent paper several periodic systems of difference equations have been presented. We ...
AbstractWe study a periodic boundary value problem for a first-order differential equation from a ne...
We use Brouwer degree to prove existence and multiplicity results for the periodic solutions of some...
We prove that if there exists α ≤ β, a pair of lower and upper solutions of the first-order discrete...
In this paper we develop the monotone method in the presence of lower and upper solutions for the pr...
AbstractIn this paper, we will study two classes of difference equations which are piecewise-linear ...
We prove existence and uniqueness results in the presence of coupled lower and upper solutions for t...