Abstract
In view of the Avery-Peterson fixed point theorem, this paper investigates the existence of three positive solutions for the second-order boundary value problem with integral boundary conditions $$\left \{ \textstyle\begin{array}{@{}l} u''(t)+h(t)f(t,u(t),u'(t))=0,\quad 0< t< 1, u(0)-\alpha u'(0)=\int_{0}^{1}g_{1}(s)u(s)\,ds, u(1)+\beta u'(1)=\int_{0}^{1}g_{2}(s)u(s)\,ds. \end{array}\displaystyle \right . $$ The interesting point is that the nonlinear term involves the first-order derivative explicitly.
Highlights
In this paper, we consider the positive solutions of the following boundary value problem:⎪⎨u (t) + h(t)f (t, u(t), u (t)) =, < t
In view of the Avery-Peterson fixed point theorem, this paper investigates the existence of three positive solutions for the second-order boundary value problem with integral boundary conditions
We consider the positive solutions of the following boundary value problem:
Summary
We consider the positive solutions of the following boundary value problem:. Boundary value problems of ordinary differential equations arise in kinds of different areas of applied mathematics and physics. Many authors have studied two-point, threepoint, multi-point boundary value problems for second-order differential equations extensively, see [ – ] and the references therein. By using Krasnoselskii’s fixed point theorem, the existence of positive solutions was obtained. We will study the existence of three positive solutions of BVP
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