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有序 Banach 空间非线性四阶边值问题的正解

张旭萍, 李永祥

张旭萍, 李永祥. 有序 Banach 空间非线性四阶边值问题的正解[J]. 华南师范大学学报(自然科学版), 2013, 45(2).
引用本文: 张旭萍, 李永祥. 有序 Banach 空间非线性四阶边值问题的正解[J]. 华南师范大学学报(自然科学版), 2013, 45(2).
Positive solutions for nonlinear fourth order boundary value problems in ordered Banach spaces[J]. Journal of South China Normal University (Natural Science Edition), 2013, 45(2).
Citation: Positive solutions for nonlinear fourth order boundary value problems in ordered Banach spaces[J]. Journal of South China Normal University (Natural Science Edition), 2013, 45(2).

有序 Banach 空间非线性四阶边值问题的正解

基金项目: 

国家自然科学基金项目

详细信息
    通讯作者:

    张旭萍

Positive solutions for nonlinear fourth order boundary value problems in ordered Banach spaces

  • 摘要: 讨论有序Banach 空间E中非线性四阶边值问题 {u(4)(t)=f(t,u(t),u(t)),0t1,u(0)=u(1)=u(0)=u(1)=θ, 正解的存在性, 其中\ f:[0,1]×E×EE 连续. 在较一般的非紧性测度条件与序条件下运用凝聚映射的不动点指数理论获得了该问题正解的存在性.
    Abstract: The existence of positive solutions for nonlinear fourth order boundary value problem {u(4)(t)=f(t,u(t),u(t)),0t1,u(0)=u(1)=u(0)=u(1)=θ, in an ordered Banach space \ E is discussed, where \ f:[0,1]×E×EE is continuous. Under more general conditions of noncompactness measure and semi-ordering, an existence result of positive solutions is obtained by employing the fixed point index theory of condensing mapping.
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出版历程
  • 收稿日期:  2011-12-19
  • 修回日期:  2012-04-11
  • 刊出日期:  2013-03-24

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