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.
引文
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