Existence and uniqueness of positive periodic solutions for a first-order functional differential equation

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作者
Chen Yang
Chengbo Zhai
Mengru Hao
机构
[1] Business College of Shanxi University,Basic Course Department
[2] Shanxi University,School of Mathematical Sciences
关键词
functional differential equation; positive periodic solution; existence and uniqueness; fixed point theorem for mixed monotone operators; 26A33; 34B18; 34B27;
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摘要
In this article, we establish sufficient conditions for the existence and uniqueness of positive periodic solutions for a class of first-order functional differential equations. Our analysis relies on some fixed point theorems for mixed monotone operators. Our results can not only guarantee the existence of unique positive periodic solutions, but also be applied to construct an iterative scheme for approximating them. Some examples are given to illustrate our main results.
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