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一类变号二阶三点边值问题正解的存在性

The Existence of Positive Solutions for a Kind of Second-order Three-point Boundary Value Problem with Sign Changing
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摘要 运用锥上的Guo-Krasnoselskii’s不动点定理证明了变号二阶三点边值问题u″+h(t)f(u(t))=0,t∈[0,1],u(0)=αu(η),u(1)=βu(η)至少一个正解的存在性. The existence of at least one positive solution for a knind of second-order three-point boundary value problem u″+h(t)f(u(t))=0,t∈[0,1],u(0)=αu(η),u(1)=βu(η) was investigated by the well-known Guo- Krasnoselskii' s fixed-point theorem in cones.
作者 王静 王刚
出处 《信阳师范学院学报(自然科学版)》 CAS 北大核心 2013年第2期165-168,共4页 Journal of Xinyang Normal University(Natural Science Edition)
基金 甘肃省自然科学基金项目(3ZS042-B25-021) 甘肃省教育厅科研项目(1013B-03)
关键词 变号 边值问题 格林函数 正解 sign changing boundary value problem Green' s function positive solution
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