摘要
研究了一种捕食生态二次系统的数学模型 ,分析了二次系统极限环存在唯一性 。
The mathematical models of a predatory ecological quadratic system are studied.And the existential uniqueness for limit cyle of quadratic system is analysed.The existential only conditions of limit cycle are also proved.
出处
《烟台师范学院学报(自然科学版)》
2001年第1期11-16,共6页
Yantai Teachers University journal(Natural Science Edition)