Existence of positive solutions for second-order impulsive differential equations with delay and three-point boundary value problem

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作者
Wenai Xu
Wei Ding
机构
[1] Shanghai Normal University,Department of Mathematics and Science
关键词
symmetric positive solutions; fixed point theorem; impulsive differential equations;
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摘要
We study the existence of three positive solutions to a type of three-point boundary value problems for second-order impulsive and delay differential equations, and we obtain the result that there exist at least three nonnegative symmetric positive solutions by means of a generalization of the Leggett-Williams fixed point theorem.
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