| 包围多个奇点的极限环的个数 |
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| 引用本文： | 周毓荣.包围多个奇点的极限环的个数[J].系统科学与数学,1998,18(3):341-346. |
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| 作者姓名： | 周毓荣 |
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| 作者单位： | 山东矿业学院应用数学与软件工程系!泰安，271019 |
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| 摘 要： | 本文对Lienard系统包围多个奇点的极限环的唯一性和唯二性给出若干充分条件．
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| 关 键 词： | Linard系统 极限环 奇点 |
THE NUMBER OF LIMIT CYCLES SURROUNDING MULTIPLE SINGULAR POINTS |
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| Zhou Yurong.THE NUMBER OF LIMIT CYCLES SURROUNDING MULTIPLE SINGULAR POINTS[J].Journal of Systems Science and Mathematical Sciences,1998,18(3):341-346. |
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| Authors: | Zhou Yurong |
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| Institution: | (Department of Applied Mathematics, Shandong Institute of Mining and Technology, Taian 271019) |
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| Abstract: | In this paper, we give some sufficient conditions for the existence of at mostone or two limit cycles surrounding multiple singular points for the Lienard's system. |
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| Keywords: | Li nard's system limit cycle singular point |
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