QUALITATIVE THEORY OF THE KUKLES SYSTEMS:(Ⅰ) NUMBER OF CRITICAL POINTS 被引量：2

QUALITATIVE THEORY OF THE KUKLES SYSTEMS: (Ⅰ) NUMBER OF CRITICAL POINTS

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摘要 We study the global qualitative properties of the well-known Kukles systems (1) below. Firstly, the number of critical points in case (1) has a center or a fine focus. We study the global qualitative properties of the well-known Kukles systems (1) below. Firstly, the number of critical points in case (1) has a center or a fine focus.

作者叶惟寅叶彦谦

出处《Annals of Differential Equations》 2001年第3期275-286,共12页 微分方程年刊（英文版）

基金 Project supported by the Natural Science Foundation of China.

关键词 Kukles system critical point CENTER fine focus Kukles system, critical point, center, fine focus

分类号 O175 [理学—基础数学]

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Annals of Differential Equations

2001年第3期

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QUALITATIVE THEORY OF THE KUKLES SYSTEMS:(Ⅰ) NUMBER OF CRITICAL POINTS 被引量：2

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