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加权齐次系统及其扰动系统是齐次系统及其扰动系统的自然推广，它以具有初等焦点和幂零焦点的实平面微分自治解析系统为特例。其坐标原点还可能是很多种前人没有系统研究过的新类型的焦点。
p∶q加权齐次系统及其扰动系统的中心焦点判定
【摘 要】
：
加权齐次系统及其扰动系统是齐次系统及其扰动系统的自然推广，它以具有初等焦点和幂零焦点的实平面微分自治解析系统为特例。其坐标原点还可能是很多种前人没有系统研究过
【机 构】
：
CentralSouthUniversity
【出 处】
：
2016年上海微分方程与动力系统会议
【发表日期】
：
2016年10期
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