摘要
研究具有抛物线解且其内部存在极限环时的二次系统的拓扑结构,得到的结论是:其轨线的所有可能的拓扑结构至多有13种.
In this paper,we study the topological structure of the quadratic system with a parabola solution which has limit cycle. The result is that all of the passible topological structures of the track line have 13 different types at most.
出处
《辽宁师范大学学报(自然科学版)》
CAS
1992年第3期177-182,198,共7页
Journal of Liaoning Normal University:Natural Science Edition
关键词
抛物线解
拓扑结构
极限环
parabola solution
topological structure
limit cycle