Existence and uniqueness of positive solution to a non-localdifferential equation with homogeneous Dirichlet boundarycondition---A non-monotone case

Zhiming Guo; Zhi-Chun Yang; Xingfu Zou

doi:10.3934/cpaa.2012.11.1825

Article Contents

2012, Volume 11, Issue 5: 1825-1838. Doi: 10.3934/cpaa.2012.11.1825

This issue Previous Article On the Lagrangian averaged Euler equations: local well-posedness and blow-up criterion Next Article Collocation methods for differential equations with piecewise linear delays

Existence and uniqueness of positive solution to a non-local differential equation with homogeneous Dirichlet boundary condition---A non-monotone case

1.
School of Mathematics and Information Sciences, Guangzhou University, Guangzhou, 510006
2.
College of Mathematics Science, Chongqing Normal University, Chongqing 400047
3.
Department of Applied Mathematics, University of Western Ontario, London, Ontario N6A 5B7

Received: March 2011

Revised: September 2011

Published: September 2012

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Abstract

This paper deals with a class of non-local second order differential equations subject to the homogeneous Dirichlet boundary condition. The main concern is positive steady state of the boundary value problem, especially when the equation does not enjoy the monotonicity. Nonexistence, existence and uniqueness of positive steady state for the problem are addressed. In particular, developed is a technique that combines the method of super-sub solutions and the estimation of integral kernels, which enables us to obtain some sufficient conditions for the existence and uniqueness of a positive steady state. Two examples are given to illustrate the obtained results.

Keywords:

Non-local second order differential equation,
Dirichlet boundary value problems,
positive solutions,
existence,
uniqueness.

Mathematics Subject Classification: Primary: 34B18.

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