摘要
By means of the continuation theorem of coincidence degree theory, we study a kind of n-order neutral functional differential equation. Some new results on the existence of periodic solutions are obtained.
By means of the continuation theorem of coincidence degree theory, we study a kind of n-order neutral functional differential equation. Some new results on the existence of periodic solutions are obtained.
基金
supported by the National Natural Science Foundation of China(No10771001)
the Key Program of Ministry of Education of China (No205068)
the Programof Innovation Team of University of Anhui
