| Periodicity in a “Food-limited” Population Model with Toxicants and Time Delays |
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| 作者姓名： | Meng Fan Ke Wang |
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| 作者单位： | Meng Fan，Ke WangDepartment of Mathematics，Key Laboratory for Vegetation Ecology of the Ministry of Education of China，Northeast Normal University，Changchun 130024，China |
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| 基金项目： | Supported by the National Natural Sciences Foundation of China (No.10171010)，Key Project on Sciences and Technology of the Ministry of Education of China (No. Key 01061)，the Natural Sciences Foundation for Young Scholar of Northeast Normal Unive |
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| 摘 要： | Abstract With the help of a continuation theorem based on Gaines and Mawhin's coincidence degree,westudy the global existence of positive periodic solutions of a "food-limited" population model with toxicants andtime delays.Some new results are obtained.
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Periodicity in a "Food-limited" Population Model with Toxicants and Time Delays |
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| Meng Fan,Ke Wang.Periodicity in a "Food-limited" Population Model with Toxicants and Time Delays[J].Acta Mathematicae Applicatae Sinica,2002(2). |
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| Authors: | Meng Fan Ke Wang |
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| Institution: | Meng Fan,Ke WangDepartment of Mathematics,Key Laboratory for Vegetation Ecology of the Ministry of Education of China,Northeast Normal University,Changchun 130024,China |
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| Abstract: | With the help of a continuation theorem based on Gaines and Mawhin's coincidence degree, we study the global existence of positive periodic solutions of a "food-limited" population model with toxicants and time delays. Some new results are obtained. |
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| Keywords: | Periodic solutions toxicants time delays coincidence degree |
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