| 具变时滞单物种差分系统周期正解的存在性 |
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| 引用本文： | 莫宏敏. 具变时滞单物种差分系统周期正解的存在性[J]. 湘潭师范学院学报(自然科学版), 2004, 26(1): 22-25 |
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| 作者姓名： | 莫宏敏 |
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| 作者单位： | 吉首大学,数学与计算机科学系,湖南,吉首,416000 |
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| 摘 要： | 讨论了具变时滞周期单物种差分系统，用重合度的连续定理获得了这个系统的周期解的存在性。
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| 关 键 词： | 单物种 差分模型 正周期解 变时滞 重合度 数学生态学 |
Existence of positive periodic solution for a single species difference model with variable delay |
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| Abstract. Existence of positive periodic solution for a single species difference model with variable delay[J]. Journal of Xiangtan Normal University (Natural Science Edition), 2004, 26(1): 22-25 |
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| Authors: | Abstract |
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| Abstract: | In this paper,a single species model with variable delay governed by difference equation with periodiccoefficients is discussed. The existence of positive periodic solution for thissystem is obtained by using the continuation theorem of coincide degree. |
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| Keywords: | single species difference model positive periodic solution variable delays coincidence degree |
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