| 平面自治系统无环的充分条件 |
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| 引用本文： | 王政. 平面自治系统无环的充分条件[J]. 山东理工大学学报：自然科学版, 2001, 15(2): 35-36 |
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| 作者姓名： | 王政 |
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| 作者单位： | 王政（山东工程学院,山东淄博,255012） |
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| 摘 要： | 指出了文[1]中引理的不足,进而得到平面自治系统不存在极限环的充分条件.
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| 关 键 词： | 平面自治系统 极限环 |
| 修稿时间： | 2000-11-18 |
The Condition of No Limit Cycles for PI anar Autonomous System |
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| Wang Zheng. The Condition of No Limit Cycles for PI anar Autonomous System[J]. Journal of Shandong University of Technology:Science and Technology, 2001, 15(2): 35-36 |
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| Authors: | Wang Zheng |
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| Abstract: | The defect of lemma in reference was pointed out and the sufficie nt conditions which guarantee the nonexistence of limit cycles for planar autonomous system were derived.; |
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| Keywords: | planar autonomous system limit cycles. |
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