LOCAL TOPOLOGICAL STRUCTURE OF THE PLANE CUBIC SYSTEM IN THE UNDETERMINED SIGN CASE

数学物理学报(英文版) ›› 1995, Vol. 15 ›› Issue (1): 113-120.

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LOCAL TOPOLOGICAL STRUCTURE OF THE PLANE CUBIC SYSTEM IN THE UNDETERMINED SIGN CASE

李学敏, 杨殿武

Department of Mathematics, Shandong Normal University, Jinan 250014, China

收稿日期:1991-10-21 修回日期:1992-08-02 出版日期:1995-03-25 发布日期:1995-03-25

LOCAL TOPOLOGICAL STRUCTURE OF THE PLANE CUBIC SYSTEM IN THE UNDETERMINED SIGN CASE

Li Xuemin, Yang Dianwu

Department of Mathematics, Shandong Normal University, Jinan 250014, China

Received:1991-10-21 Revised:1992-08-02 Online:1995-03-25 Published:1995-03-25

摘要/Abstract

摘要： In this paper we discuss the topological structure near the singular point O (0,0) of the plane cubic system in the undetermined sign case,and give their coefficient conditions.

关键词: topologicaal structure, cudic system, undetermined sign case

Abstract: In this paper we discuss the topological structure near the singular point O (0,0) of the plane cubic system in the undetermined sign case,and give their coefficient conditions.

Key words: topologicaal structure, cudic system, undetermined sign case

李学敏, 杨殿武. LOCAL TOPOLOGICAL STRUCTURE OF THE PLANE CUBIC SYSTEM IN THE UNDETERMINED SIGN CASE[J]. 数学物理学报(英文版), 1995, 15(1): 113-120.

Li Xuemin, Yang Dianwu. LOCAL TOPOLOGICAL STRUCTURE OF THE PLANE CUBIC SYSTEM IN THE UNDETERMINED SIGN CASE[J]. Acta mathematica scientia,Series B, 1995, 15(1): 113-120.

LOCAL TOPOLOGICAL STRUCTURE OF THE PLANE CUBIC SYSTEM IN THE UNDETERMINED SIGN CASE

LOCAL TOPOLOGICAL STRUCTURE OF THE PLANE CUBIC SYSTEM IN THE UNDETERMINED SIGN CASE

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