In this paper, we study the existence of single and multiple positive solutions of the following nonlinear second-order periodic boundary value problem (P)

Existence of Positive Solutions for a Nonlinear Second Order Periodic Boundary Value Problem. Download (PDF). Access Token. Existence of Positive Solutions for ...

By choosing suitable control functions and applying fixed point theorems on cone, the existence and multiplicity of positive solutions were studied for a ...

Aug 17, 2012 · In this section, we provide some background materials associated with topological degree theory and partially ordered structure of space. The ...

In this paper, we consider the nonlinear discrete boundary value problem { − Δ [ p ( t − 1 ) Δ u ( t − 1 ) ] + q ( t ) u ( t ) = λ f ( t , u ( t ) ) , t ∈ Z ...

Jun 14, 2018 · We prove the existence of three positive solutions when h ( t ) has n positive humps separated by n + 1 negative ones.

Apr 8, 2017 · In this paper, we consider the existence of positive solutions of second-order periodic boundary value problem $$u'' + {\left( {\frac{1}{2} ...

Nov 25, 2010 · This paper is devoted to study the existence of periodic solutions of the second-order equation , where is a Carathéodory function, ...

The purpose of this paper is to establish some results on the existence of multiple positive solutions for a system of nonlinear fractional order two-point ...

Jun 6, 2012 · We study the existence of positive solutions for second-order nonlinear differential equations with nonseparated boundary conditions.