摘要
利用三角级数理论及压缩映射原理,研究时滞Duffing型微分方程,给出此类方程存在唯一周期解的几个充分条件.
Some sufficient conditions for existence and uniqueness of periodic solution to Duffing equation are Obtained using trigonometrical series and contraction mapping.
出处
《汕头大学学报(自然科学版)》
2007年第3期10-14,共5页
Journal of Shantou University:Natural Science Edition
关键词
DUFFING型方程
周期解
三角级数
压缩映射原理
Duffing equation
periodic solution
trigonometrical series theory
contractionmapping principle