| 赤道不是轨道弧的E_2系统之拓扑结构 |
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| 引用本文： | 何永葱.赤道不是轨道弧的E_2系统之拓扑结构[J].四川师范大学学报(自然科学版),1990(1). |
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| 作者姓名： | 何永葱 |
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| 作者单位： | 四川西昌师范专科学校 |
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| 摘 要： | 本文研究了赤道不是轨道弧的E_2系统,证明它共有十二种不同的拓扑结构,给出了各种拓扑结构的条件,绘出了相应的拓外结构图。
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| 关 键 词： | 二次系统 赤道 拓扑结构 |
ON THE TOPOLOGICAL STRUCTURE OF PHASE-PORTRAITS OF QUADRATIC SYSTEMS FOR WHICH EQUATOR IS NOT ORBIT |
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| He Yongchong.ON THE TOPOLOGICAL STRUCTURE OF PHASE-PORTRAITS OF QUADRATIC SYSTEMS FOR WHICH EQUATOR IS NOT ORBIT[J].Journal of Sichuan Normal University(Natural Science),1990(1). |
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| Authors: | He Yongchong |
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| Institution: | Xichang Teacher's College |
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| Abstract: | This paper studies the quadratic systems for which equator is not orbit.It is shown that there aretwelve different topological structures,the conditions of these topological structures and their topologi-cal structure figures are given. |
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| Keywords: | Quadratic System Equator Topological structure |
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