关于一类具偏差变元的Duffing型方程的周期解注记  

The Notes on Periodic Solution for a Kind of Duffing Equation with Deviating Arguments

作　　者：林文贤[1] 

机构地区：[1]韩山师范学院数学与应用数学系,广东潮州521041

出　　处：《江西师范大学学报（自然科学版）》2012年第5期499-501,共3页Journal of Jiangxi Normal University(Natural Science Edition)

摘　　要：利用重合度理论以及更精确的先验估计研究了一类具有偏差变元的Duffing型方程的周期解问题,得到了这类方程的周期解存在性的结果,改进和推广了已有文献的相关结果,并给出其应用实例.By coincidence degree’s theory and better prior estimate,the existence of periodic solutions to a kind of Duffing equation with deviating arguments is studied.Some new results on the existence of periodic solutions to such equation are obtained,which improve some existing ones in the literature.An example is given.

关 键 词：DUFFING型方程 周期解 重合度 

分 类 号：O175.14[理学—数学]