A cubic system with five centers, three of which located on one straight line, has no limit cycles

Адам Дамирович Ушхо, Дамир Салихович Ушхо
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引用次数: 0

Abstract

В данной работе получены достаточные условия отсутствия пре-дельных циклов у кубической дифференциальной системы второго порядка, имеющей пять центров. In this paper the sufficient conditions for the lacking of limit cycles of a second order cubic differential system having five centers are obtained.
一个立方体系统有五个中心,其中三个位于一条直线上,该系统没有极限周期。
本文获得了具有五个中心的二阶立方微分系统缺乏极限循环的充分条件。本文给出了具有五个中心的二阶立方微分系统缺乏极限循环的充分条件。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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