摘要
本文通过直接构造环域，证明了一类平面四次系统极限环的存在性，从而得到极限环的存在范围。
In this paper, we prove the existence of limit cycles on a class of planar quartic differential system by building a ring domain directly, and the existence domain of limit cycles is simultaneously obtained.
出处
《广西工学院学报》
CAS
1996年第4期10-12,共3页
Journal of Guangxi University of Technology
关键词
极限环
环域定理
平面四次系统
Biochemical saturate reaction model
Limit cycle
Ring domain theory
