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author:

陈国维 (陈国维.) [1]

Abstract:

本文证明了E3系统dx/dt=P3(x,y)dy/dt=x有的定曲线F(x,y)=x~2+y~2-1=0为特解当且仅当 它具有形式: dx/dt=a1x+a2y-a1x~3-(1+a2)x~2y-a1xy~2-(1+a2)y3,dy/dt=x,进而讨论了系统的所有 有限远奇点和无限远奇点的性质,并且利川Dulac函数证明了x~2+y~2=1是它唯一可能的极限环。 最后我们得到由图(1)-(10)说明的所有可能的全局结构.

Keyword:

FINITE AND INFI- NTE SINGULAR POINTS GLOBLE STRUCTURES LIMIT CYCLES PLANAR DYNAMICAL SYSTEM E3

Community:

  • [ 1 ] 福州大学数学系

Reprint 's Address:

  • 陈国维

Email:

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 1985

Issue: 02

Page: 25-34

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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