R^3中一类Kolmogorov系统的空间周期解

The Existence of Nonconstant Periodic Orbits of a Kolmogorov System in R^3

本文对一类具有相同增长率的三种群广义的Ｋｏｌｍｏｇｏｒｏｖ系统的空间周期解 存在条件进行研究，得到存在非常数空间周期解的判定条件．

In this paper, we consider the Kolmogorov models which are the interaction of three species with the same intrinsic growthrate. We obtain the sufficient conditions which implies periodic orbits of a Kolmogorov system in R^3.