Positive and nodal solutions for nonlinear nonhomogeneous parametric neumann problems

Calogero Vetro, Francesca Vetro, Nikolaos S. Papageorgiou

Risultato della ricerca: Articlepeer review

Abstract

We consider a parametric Neumann problem driven by a nonlinear nonhomogeneous differential operator plus an indefinite potential term. The reaction term is superlinear but does not satisfy the Ambrosetti-Rabinowitz condition. First we prove a bifurcation-type result describing in a precise way the dependence of the set of positive solutions on the parameter λ > 0. We also show the existence of a smallest positive solution. Similar results hold for the negative solutions and in this case we have a biggest negative solution. Finally using the extremal constant sign solutions we produce a smooth nodal solution.
Lingua originaleEnglish
pagine (da-a)1-20
Numero di pagine20
RivistaElectronic Journal of Differential Equations
Volume2020
Stato di pubblicazionePublished - 2020

All Science Journal Classification (ASJC) codes

  • Analysis

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