quadratic differential system
大众科技网 关键词：二次微分系统；奇点；仿射变换 [gap=1043]Key words: quadratic differential system; critical point; affine transformation
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目的研究一类二次微分系统的极限环存在性及唯一性。
Aim To discusses the existence and uniqueness of limit cycles for a class of quadratic system.
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本文给出在中国分类之下二次微分系统有中心时两种情况的通积分。
We give general integral of quadratic differential system with center in two cases under the Chinese classification.
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