首页 | 本学科首页   官方微博 | 高级检索  
     

带非齐次边界条件的二阶常微分方程边值问题正解的存在性
引用本文:谢春杰. 带非齐次边界条件的二阶常微分方程边值问题正解的存在性[J]. 烟台大学学报(自然科学与工程版), 2012, 0(4): 251-255
作者姓名:谢春杰
作者单位:西北师范大学数学与统计学院
基金项目:国家自然科学基金资助项目(10671158);甘肃省自然科学基金资助项目(3ZS051-A25-016)
摘    要:运用θ-凸算子理论研究了带非齐次边界条件的二阶常微分方程边值问题(p(t)u'(t))'+h(t)f(u)=0,t∈(0,1),au(0)-bp(0)u'(0)=α[u]+λ,cu(1)+dp(1)u'(1)=β[u]+{μ正解的存在唯一性,其中:p∈C([0,1],(0,+∞)),h∈C([0,1],[0,+∞)),a,b,c,d∈[0,+∞)为常数,f∈C([0,+∞),[0,+∞)),α[u]=∫10u(s)dA(s),β[u]=∫10u(s)dB(s),A,B为有界变差函数,λ,μ∈[0,+∞)为参数.获得了正解存在唯一的充分条件及其关于参数λ和μ的依赖性.

关 键 词:θ-凸算子  非齐次  唯一解  参数依赖

Existence of Positive Solutions of Boundary Value Problems for Second-Order Ordinary Differential Equations with Nonhomogeneous Boundary Conditions
XIE Chun-jie. Existence of Positive Solutions of Boundary Value Problems for Second-Order Ordinary Differential Equations with Nonhomogeneous Boundary Conditions[J]. Journal of Yantai University(Natural Science and Engineering edirion), 2012, 0(4): 251-255
Authors:XIE Chun-jie
Affiliation:XIE Chun-jie(School of Mathematics and Statistics,Northwest Normal University,Lanzhou 730070,China)
Abstract:By using O-convex operator theory, we consider the existence and uniqueness of the positive solution of boundary value problems for second-order ordinary differential equations with nonhomogeneous boundary conditions (p(t)u'(t))'+h(t)f(u)=0,t∈(0,1),au(0)-bp(0)u'(0)=α[u]+λ,cu(1)+dp(1)u'(1)=β[u]+ where p∈C([0,1],(0,+∞)),h∈C([0,1],[0,+∞)),a,b,c,d∈[0,+∞)are constants,f∈C([0,+∞),[0,+∞)),α[u]=∫10u(s)dA(s),β[u]=∫10u(s)dB(s),A ,B are bounded variation functions,λ,μ ∈ [ 0, + ∞) are parameters. A sufficient condition is obtained for the existence and uniqueness of a positive solution, and the dependence of the solution on parameters A and/.t is also studied.
Keywords:θ-convex operator  nonhomogeneity  uniqueness  dependence on parameters
本文献已被 CNKI 维普 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号