摘要
利用文献〔2〕中的线性化振动定理,得到了几类种群动力系统振动的充分条件。
A linearized oscillation theorem due to Li and Quan〔2〕 is applied to obtain the oscillation of solutions of several equations which have appeared in population dynamics.Many results in the literature are extended and improved.
出处
《甘肃科学学报》
1998年第2期1-5,共5页
Journal of Gansu Sciences
基金
甘肃省中青年科学基金
关键词
线性化振动
种群动力系统
时滞微分方程
Linearized oscillation,neutral delay population model,nonliner delay equation