| 三次系统E_3~1存在二角形双曲线分界线环的充要条件 |
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| 引用本文： | 沈伯骞,谭继智. 三次系统E_3~1存在二角形双曲线分界线环的充要条件[J]. 纯粹数学与应用数学, 2000, 0(4) |
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| 作者姓名： | 沈伯骞 谭继智 |
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| 作者单位： | 辽宁师范大学!大连116029(沈伯骞)，大连大学!大连116622(谭继智) |
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| 基金项目： | 辽宁省教育厅高校科研项目!( A990 3110 10 ) |
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| 摘 要： | 得到了三次系统 E1 3存在二角形双曲线分界线环的充要条件 .并给出了它们的拓扑分类和各种拓扑结构的参数条件 .
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| 关 键 词： | 三次系统 双曲线分界线环 拓扑结构 |
A necessary and sufficient condition of the existence of the two angle hyperbolic separatrix cycles for the cubic system E_3~1 |
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| SHEN Boqian ,TAN Jizhi. A necessary and sufficient condition of the existence of the two angle hyperbolic separatrix cycles for the cubic system E_3~1[J]. Pure and Applied Mathematics, 2000, 0(4) |
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| Authors: | SHEN Boqian TAN Jizhi |
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| Affiliation: | SHEN Boqian 1,TAN Jizhi 2 |
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| Abstract: | A necessary and sufficient condition of the existence of the two angle hyperbolic separatrix cycles for the cubic system E 1 3 is obtained in this paper. And their topological structure classification and the parameter condition of the every topological structure are given. |
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| Keywords: | cubic system hyperbolic separatrix cycle topological struct |
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