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二阶脉冲微分方程m点边值问题的正解 被引量:3

Positive solutions to m-point boundary value problems of second order impulsive differential equations
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摘要 利用Leggett-Williams不动点定理,研究一类二阶脉冲微分方程非局部(m点)边值问题正解的存在性。在某些条件下,得到了它至少存在3个正解u1,u2,u3,使得‖u1‖<d,a<α(u2)且‖u3‖≥d,α(u3)≤a。 By using the Leggett-williams fixed point theorem, this paper studies the existence of positive solutions to m-point boundary value problems of the second order impulsive differential equations. In some conditions, it shows that the above problem has at least three positive solutions u1 ,u2 and so that || U1 || 〈d,a〈a(u2) and || u3 || ≥d, a(u3) ≤a.
出处 《河北科技大学学报》 CAS 北大核心 2011年第6期519-523,共5页 Journal of Hebei University of Science and Technology
基金 国家自然科学基金资助项目(10971045) 河北省自然科学基金资助项目(A2009000664)
关键词 正解 M点边值问题 Leggett—Williams不动点定理 positive solution m-point boundary value problem Leggett-Williams fixed point theorem
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参考文献14

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二级参考文献9

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