| 平面四次微分系统的局部拓扑结构 |
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| 引用本文： | 李秀珍.平面四次微分系统的局部拓扑结构[J].聊城大学学报(自然科学版),1997(3). |
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| 作者姓名： | 李秀珍 |
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| 作者单位： | 山东建筑工程学院 |
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| 摘 要： | 讨论了平面四次微分系统的特殊方向及在相平面上国成的角城内，奇点附近的轨线的分布；给出了右多端多项式系数构成的判别准则．
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| 关 键 词： | 四次微分系统 拓扑结构 特殊方向 |
THE LOCAL TOPOLOGICAL CONSTRUCTION OF FOURTH-PLANE DIFFERENTIAL SYSTEM |
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| Li Xiuzhen.THE LOCAL TOPOLOGICAL CONSTRUCTION OF FOURTH-PLANE DIFFERENTIAL SYSTEM[J].Journal of Liaocheng University:Natural Science Edition,1997(3). |
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| Authors: | Li Xiuzhen |
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| Institution: | Shandong Institute of Architectural Engineering |
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| Abstract: | In this paper,the special directions of a class of fourth-plane differential systemand distribution of trajectory near singularity in angular domain of phase Plane was di cussed. some criteria was given by coefficient of polynomial. |
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| Keywords: | Four-differential system Topolgical construction Special direction |
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