| 含参数Logistic时滞差分方程概周期正解的存在性 |
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| 引用本文： | 武女则.含参数Logistic时滞差分方程概周期正解的存在性[J].西华大学学报(自然科学版),2011,30(3):66-68. |
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| 作者姓名： | 武女则 |
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| 作者单位： | 天津外国语大学基础课教学部,天津,300204 |
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| 基金项目： | 天津外国语大学"十一五"科研规划2009年度科研项目 |
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| 摘 要： | 改进了概周期序列的必要条件,同时将此结论推广到概周期函数,研究了含参数logistic时滞差分方程的有界正解、渐近概周期正解以及概周期正解的存在性问题,给出了系统有界正解和概周期正解存在的充分条件。
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| 关 键 词： | logistic差分方程 时滞泛函 概周期解 |
Existence of Positive Almost Periodic Solutions for Logistic Delay Difference Equations with a Parameter |
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| WU NV-ze.Existence of Positive Almost Periodic Solutions for Logistic Delay Difference Equations with a Parameter[J].Journal of Xihua University:Natural Science Edition,2011,30(3):66-68. |
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| Authors: | WU NV-ze |
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| Affiliation: | WU Nv-ze(Department of Basic Teaching,Tianji Foreign Studies University,Tianji 300204 China) |
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| Abstract: | In this article,the necessary condition of almost periodic sequences is improved,and the conclusion obtained is extended to almost periodic functions.The existence of positive bounded solution,asymptotically almost periodic and almost periodic positive solution of Logistic delay difference equations with a parameter are established.The sufficient conditions for existence of the bounded positive solution,almost periodic positive solution of system are attained. |
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| Keywords: | logistic difference equation functional with time delay almost periodic solution |
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