| 具有捕获的三种群Lotka-Volterra系统的多个周期解 |
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| 引用本文： | 刘娟风,魏凤英.具有捕获的三种群Lotka-Volterra系统的多个周期解[J].福建师大福清分校学报,2010(5):1-8. |
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| 作者姓名： | 刘娟风 魏凤英 |
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| 作者单位： | 福州大学数学与计算机科学学院,福建福州,350108 |
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| 基金项目： | 国家自然科学基金资助项目，福建省自然科学基金资助项目，福州大学科技发展基金资助项目 |
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| 摘 要： | 本文讨论具有捕获的三种群Lotka-Volterra系统的正周期解,利用重合度定理,得到该系统至少存在八个正周期解.
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| 关 键 词： | 正周期解 捕食-食饵 重合度定理 捕获 |
The Existence of Multiple Periodic Solutions for Three-species Lotka-Volterra System with Harvesting Terms |
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| LIU Juanfeng,WEI Fengying.The Existence of Multiple Periodic Solutions for Three-species Lotka-Volterra System with Harvesting Terms[J].Journal of Fuqing Branch of Fujian Normal University,2010(5):1-8. |
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| Authors: | LIU Juanfeng WEI Fengying |
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| Institution: | LIU Juanfeng,WEI Fengying(Mathematics and Computer Science College of Fuzhou University,Fuzhou,Fujian 350108) |
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| Abstract: | This paper discusses the positive periodic solutions for three-species Lotka-Volterra system with harvesting terms by coincidence degree,and gets at least the existence of eight positive periodic solutions in it. |
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| Keywords: | Positive periodic solutions Predator-prey system Coincidence degree Harvesting |
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