一类高阶多点共振边值问题非平凡解的存在性 |
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引用本文: | 张萍,裴明鹤.一类高阶多点共振边值问题非平凡解的存在性[J].吉林林学院学报,2011(5):523-529. |
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作者姓名: | 张萍 裴明鹤 |
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作者单位: | 北华大学数学学院,吉林吉林132033 |
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基金项目: | 吉林省教育厅科学技术研究项目(2008136) |
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摘 要: | 利用叠合度理论,研究了n阶非线性常微分方程x^(n)(t)=f(t,x(t),x'(t),…,x^(n-1)(t))+e(t),a.e.t∈(0,1)满足m点边界条件x^(i)(0)=0,i=1,2,…,n-1,x(1)=∑i=1^m-2 αix(ξi)的高阶多点边值问题在共振条件下的非平凡解的存在性,这里f:0,1]×R^n→R是L^1-Carathéodory函数,e(t)∈L^10,1],αi∈R(i=1,2,…,m-2)以及0〈ξ1〈ξ2〈…〈ξm-2〈1.
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关 键 词: | 多点边值问题 叠合度 共振 |
Existence of Nontrivial Solutions for a Higher Order Multi-point Resonance Boundary Value Problems |
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Authors: | ZHANG Ping PEI Ming-he |
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Institution: | (Mathematics College of Beihua University,Jilin 132033,China) |
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Abstract: | By using the theory of coincidence degree,the existence of nontrivial solutions for nonlinear nth-order differential equation is discussed x^(n)(t) = f(t,x(t),x'(t),…,x^(n-1)(t)) + e(t),a.e.t∈(0,1) with m-point boundary value conditions x^(i)(0)=0,i=1,2,…,n-1,x(1)=∑i=1^m-2 αix(ξi) where f: 0,1]× R^ n→R is L^1-Carathéodory function,e(t) ∈L^10,1],αi∈R(i = 1,2,…,m-2) and 0 〈ξ1〈 ξ2 〈… 〈ξm-2 〈1. |
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Keywords: | multi-points boundary value problem coincidence degree resonance |
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