CENTERS IN A CUBIC DIFFERENTIAL SYSTEM WITH ONE INVARIANT STRAIGHT LINE

Dumitru Cozma

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CENTERS IN A CUBIC DIFFERENTIAL SYSTEM WITH ONE INVARIANT STRAIGHT LINE

机译：具有一条不变直线的立方微分系统的中心

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摘要

For a cubic differential system having one invariant straight line and a singular point O(0,0) which is a weak focus, coefficient conditions for O(0,0) to be a center were found. The results were proved by using the method of rational reversibility.

机译：对于具有一个不变的直线和作为弱焦点的奇点O（0,0）的三次微分系统，找到了以O（0,0）为中心的系数条件。使用合理可逆性方法证明了结果。

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《ROMAI journal》 |2011年第2期|共10页
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Dumitru Cozma;
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中图分类各科教学法、教学参考书;
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入库时间 2022-08-18 13:08:48

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CENTERS IN A CUBIC DIFFERENTIAL SYSTEM WITH ONE INVARIANT STRAIGHT LINE

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