Optimal Existence Conditions for φ-Laplacian Equations with Upper and Lower Solutions in the Reversed Order

Existence and Comparison Results for Dif

Existence and Comparison Results for Difference φ-Laplacian Boundary Value Problems with Lower and Upper Solutions in Reverse Order

✍ Alberto Cabada; Victoria Otero-Espinar 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 148 KB

This paper is devoted to the study of the existence and comparison results for nonlinear difference φ-Laplacian problems with mixed, Dirichlet, Neumann, and periodic boundary value conditions. We deduce existence of extremal solutions of periodic and Neumann boundary value problems lying between a p