带有多个时滞微分方程的周期解

Periodic Solution for a Plurality of Delay Differential Equations

利用重合度理论讨论了一类具有多个时滞的微分方程的周期解的存在性,获得了多个时滞微分方程至少有一个正周期解的充分条件,这些结果改进和推广了一些已知的结果.

By using coincidence degree theory to discuss a class of delay differential equations with multiple the existence of periodic solutions, we get the multiple delay differential equation with at least one positive periodic solution of the sufficient conditions. These results improve and generalize some known results.