摘要
研究了一类含有时滞的脉冲微分方程,在系数变号的情形下,利用锥上的不动点定理获得了其正ω-周期解的存在性结果.
A kind of impulsive differential equation with delay is studied in this paper,and the positive periodic solutions are obtained by applying the fixed point theorems on cone under the condition of the coefficient changing sign.
出处
《兰州交通大学学报》
CAS
2010年第1期151-153,156,共4页
Journal of Lanzhou Jiaotong University
关键词
正周期解
脉冲
不动点定理
锥
positive periodic solution
impulse
fixed point theorem
cone