Existence of solutions to -Laplacian difference equations under barrier strips conditions.
Positive solutions to nonlinear first-order nonlocal BVPs with parameter on time scales.
Existence and multiple solutions for nonlinear second-order discrete problems with minimum and maximum.
A global description of the positive solutions of sublinear second-order discrete boundary value problems.
Existence of positive solutions of a discrete elastic beam equation.
Existence of solutions of a discrete fourth-order boundary value problem.
Spectrum of linear difference operators and the solvability of nonlinear discrete problems.
Existence of positive solutions of nonlinear second-order periodic boundary value problems.
On nonresonance problems of second-order difference systems.
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