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2p和2q阶联立微分方程组的正解性 被引量:2

POSITIVE SOLUTIONS FOR 2p AND 2q ORDER SIMULTANEOUS NONLINEAR ORDINARY DIFFERENTIAL SYSTEM
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摘要 利用锥上不动点指数理论研究2p,2q阶非线性高阶常微分方程组边值问题,通过相应的线性问题的第一特征值,建立了其正解的存在性与多解性定理,讨论了其参数λ,μ对其正解存在性与多解性的影响,给出了利用特征值刻划的较为本质的结果,突破了以往文献要求方程组同阶和非线性项单调,在零点或无穷远点超线性或次线性增长的限制。 In this paper, the authors study the existence and multiplicity of two point BVP for 2p and 2q order simultaneous nonlinear ordinary differential systems by using the fixed-point index theory. The existence and mulitiplicity theorems on positive solutions are established by using the first eigenvalue of the corresponding linear problems.
出处 《系统科学与数学》 CSCD 北大核心 2009年第12期1571-1578,共8页 Journal of Systems Science and Mathematical Sciences
关键词 常微分方程组 边值问题 不动点指数理论 正解 Nonlinear ordinary differential systems, boundary value problems, cone,fixed point index theory, positive solution.
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共引文献34

同被引文献4

  • 1Cheng X, Zhong C. Existence of positive solutions for a second-order ordinary differential systerm[J]. J Math Anal Appl, 2005(312): 14-23.
  • 2Ru Y, An Y. Positive solutions for 2p-order and 2q-order nonlinear ordinary differential systems[J]. J Math Anal Appl, 2006(324): 1093-1104.
  • 3Yang X. Existence of positive solutions for 2n-order nonlinear differential systems[J]. J Nonlinear Anal, 2005(61): 77-95.
  • 4李福义,范勇.非线性参数椭圆系统正解的存在性与多解性[J].数学学报(中文版),1999,42(4):591-596. 被引量:6

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