Abstract

We study the solvability of a system of second-order differential equations with Dirichlet boundary conditions and non-local terms depending upon a parameter. The main tools used are a dual variational method and the topological degree.

Highlights

  • In the past decade there has been a lot of interest on boundary value problems for elliptic systems

  • −Δv g x, u, v, ∇u, ∇v, x ∈ Ω, 1.1 u v 0, in ∂Ω, where Ω is a domain in Rn, a survey was given by De Figueiredo in 1

  • Systems of two equations that include non-local terms have been considered recently. These are of importance because they appear in the applied sciences, for example, as models for ignition of a compressible gas, or general physical phenomena where temperature has a central role in triggering a reaction

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Summary

Introduction

In the past decade there has been a lot of interest on boundary value problems for elliptic systems. Systems of two equations that include non-local terms have been considered recently. These are of importance because they appear in the applied sciences, for example, as models for ignition of a compressible gas, or general physical phenomena where temperature has a central role in triggering a reaction. Their interest ranges from physics and engineering to population dynamics. In this paper we are interested in a simple one-dimensional model: the two-point boundary value problem for the system of second order differential equations with a linear integral term. This will be done on the basis of some spectral analysis for the linear part and a dual variational setting

Preliminaries
An Existence Result of Perturbative Type
Monotone Nonlinearities
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