期刊文献+

具有变号非线性项的二阶三点微分方程组的边值问题的2组正解 被引量:1

Two positive solutions to a second-order and three-point boundary value problem with sign changing nonlinear term
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摘要 利用双锥上的不动点定理,并赋予f,g一定的增长条件,证明了二阶三点微分方程组的边值问题x″+f(t,x,y)=0 0≤t≤1y″+g(t,x,y)=0 0≤t≤1x(0)-β1x′(0)=0x(1)=α1x(η1)0<η1<1y(0)-β2y′(0)=0y(1)=α2y(η2)0<η2<1至少存在2组正解,其中f,g:[0,1]×R+×R+→R是连续的且可以变号。 For a second-order and three-point boundary value problem as follows: {x"+f(t,x,y)=0 0≤t≤1 y"+g(t,x,y)-0 0≤t≤1 x(0)-β1x'(0)=0 x(1)=α1x(η1) 0〈η1〈1 y(0)-β2y'(0)=0 y(1)=α2x(η2) 0〈η2〈1 where f, g :[0, 1] ×R ^+× R^ + →R is continuous and its sign is alternated. By the fixed point theorem in a double cone and endowing certain growth conditions to f and g, the existence of at least two positive solutions for above problem was derived.
出处 《中国农业大学学报》 CAS CSCD 北大核心 2007年第1期95-98,共4页 Journal of China Agricultural University
基金 国家自然科学基金资助项目(60573158) 河北省自然科学基金资助项目(A2006000298)
关键词 三点边值问题 GREEN函数 双锥上的不动点定理 正解 three-point boundary value problem Green's function fixed point theorem in double cones positive solution
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参考文献8

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二级参考文献13

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