高阶m-点边值问题多个正解的存在性 |
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引用本文: | 高云柱,;裴明鹤.高阶m-点边值问题多个正解的存在性[J].吉林林学院学报,2007(1):1-7. |
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作者姓名: | 高云柱 ;裴明鹤 |
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作者单位: | [1]北华大学理学院,吉林吉林132033 |
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摘 要: | 利用锥上不动点指数理论。给出了下列m-点边值问题u^(n)+f(t,u)=0,0〈t〈1满足边界条件u^(i)(0)=0,i=0,1,…,n-2,u^(n-2)(1)=∑i=1^m-2aiu^(n-2)(ξi)的多个正解的存在性,其中ai≥0,i=0,1,…,m-3,am-2〉0,0〈ξ1〈ξ2〈…〈ξm-2〈1,∑i-1^m-2aiξi〈1,ai,i=1,2,…,m-2,为给定的常数.
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关 键 词: | M-点边值问题 正解 锥 不动点 |
Positive Solutions for Higher Order m-Point Boundary Value Problems |
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Institution: | GAO Yun-zhu, PEI Ming-he ( Science College of Beihua University, Jilin 132033, China ) |
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Abstract: | By using a fixed point index theory in cones, the existence of multiple positive solutions to the boundary value problem is givea,u^(n)+f(t,u)=0,0〈t〈1 subject to the boundary conditions u^(i)(0)=0,i=0,1,…,n-2,u^(n-2)(1)=∑i=1^m-2aiu^(n-2)(ξi) where ai≥0,i=0,1,…,m-3,am-2〉0,0〈ξ1〈ξ2〈…〈ξm-2〈1,∑i-1^m-2aiξi〈1,ai,i=1,2,…,m-2,are given constants. |
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Keywords: | m-point boundary value problem Positive solutions Cones Fixed point |
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