| 一类高阶非线性时滞系统的周期解 |
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| 引用本文： | 杨玉华,杨丽明.一类高阶非线性时滞系统的周期解[J].华北电力大学学报,1995(4). |
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| 作者姓名： | 杨玉华 杨丽明 |
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| 作者单位： | 华北电力学院基础科学系，保定电视大学 |
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| 摘 要： | 研究了一类高阶非线性时滞系统的周期解问题，利用不动点定理给出了系统存在唯一一个周期解的几个充分条件及周期解所在的范围，推广和加强了文献［１］的结果。
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| 关 键 词： | 非线性时滞系统，不动点定理，周期解 |
Periodic Solutions of Non-Linear Delay Differential Equations of Higher Order |
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| Yang Yuhual,Yang Liming.Periodic Solutions of Non-Linear Delay Differential Equations of Higher Order[J].Journal of North China Electric Power University,1995(4). |
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| Authors: | Yang Yuhual Yang Liming |
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| Abstract: | Attempt to discuss the existence of periodic solutions of non-linera delay periodic differential equations of higher order by use of fixed-point theorem. Several sufficient conditions ensuring the existence of periodic solutions are obtained, and the resultants of reference1] are extended and enhanced. |
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| Keywords: | non-linear delay differential eqution Fixed -point theorem periodic solutions |
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