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半正的分数阶微分方程(n-1,1)-型积分边值问题的多个正解
Multiple Positive Solutions for Semipositone(n-1,1)-Type Integral Boundary Value Problems of Nonlinear Fractional Differential Equations
【摘要】 采用Riemann-Liouville分数阶导数,研究了半正的分数阶微分方程(n-1,1)-型积分边值问题,获得了参数λ的一个区间,使得λ落在这个区间的时候,该半正的分数阶微分方程边值问题有多个正解.
【Abstract】 In this paper,we consider the(n-1,1)-type integral boundary value problem of nonlinear fractional differential equation D0+α+u(t)+λf(t,u(t))=0,0<t<1 U(j)>(0)=0≤j≤n-2 () whereλ,μis a parameter and 0<μ<a,a∈(n-1,n) is a real number and n≥3,D0+αis the Riemann-Liouville’s fractional derivative,and / is continuous and semipositone.We derive an interval of A such that any A lying in this interval,the semipositone boundary value problem has multiple positive solutions.
【关键词】 Riemann-Liouville分数阶导数;
分数阶微分方程;
(n-1,1)-型积分边值问题;
正解;
Green函数;
【Key words】 Riemann-Liouville’s fractional derivative; fractional differential equation; (n-1,1)-type integral boundary value problem; positive solution; Green’s function;
【Key words】 Riemann-Liouville’s fractional derivative; fractional differential equation; (n-1,1)-type integral boundary value problem; positive solution; Green’s function;
【基金】 黑龙江省自然科学基金(A201012);黑龙江省新世纪高等教育教学改革工程项目(2010)
- 【文献出处】 数学的实践与认识 ,Mathematics in Practice and Theory , 编辑部邮箱 ,2012年06期
- 【分类号】O175.8
- 【下载频次】94