吉林大学学报(理学版)

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具积分边值条件奇异四阶耦合微分方程组正解的存在性

宋文晶1, 李圆晓2, 曹春玲3, 冯由玲4   

  1. 1. 吉林财经大学 应用数学学院, 长春 130117; 2. 河南工业大学 理学院, 郑州 450001;3. 吉林大学 数学学院, 长春 130012; 4. 吉林财经大学 管理科学与信息工程学院, 长春 130117
  • 收稿日期:2016-08-22 出版日期:2017-07-26 发布日期:2017-07-13
  • 通讯作者: 曹春玲 E-mail:caocl@jlu.edu.cn

Existence of Positive Solutions for Singular Fourth Order CoupledDifferential Equations with Integral Boundary Value Conditions

SONG Wenjing1, LI Yuanxiao2, CAO Chunling3, FENG Youling4   

  1. 1. School of Applied Mathematics, Jilin University of Finance and Economics, Changchun 130117, China;2. College of Science, Henan University of Technology, Zhengzhou 450001, China;3. College of Mathematics, Jilin University, Changchun 130012, China; 4. School of Management Science and Information Engineering,Jilin University of Finance and Economics, Changchun 130117, China
  • Received:2016-08-22 Online:2017-07-26 Published:2017-07-13
  • Contact: CAO Chunling E-mail:caocl@jlu.edu.cn

摘要: 利用Guo-Krasnoselskii不动点定理, 考虑具有积分边值条件奇异四阶耦合微分方程组u(4)(t)=ω1(t)f(t,v(t),v″(t)), v(4)(t)=ω2(t)g(t,u(t),u″(t))正解的存在性, 并在一定条件下得到了该方程组的多解性.

关键词: 正解, 不动点定理, 奇异四阶耦合方程组, 积分边值条件

Abstract: By using GuoKrasnoselskii fixed point theorem, we considered the existence of positive solutions for a singular fourth order coupled
 differential equations u(4)(t)=ω1(t)f(t,v(t),v″(t)), v(4)(t)=ω2(t)g(t,u(t),u″(t)) with integral boundary value conditions, and obtained multiple solutions of the
 equations under suitable conditions.

Key words: integral boundary value condition, positive solution, fixed point theorem, singular fourth order coupled equation

中图分类号: 

  • O175