EXISTENCE OF PERIODIC SOLUTIONS TO A LINARD EQUATION WITH MULTIPLE DELAYS  

作　　者：Ming Jia(College of International Exchange,Central South University of Forestry and Technology,Changsha 410004) Jianhua Shen(College of Science,Hangzhou Normal University,Hangzhou 310036) 

出　　处：《Annals of Differential Equations》2011年第3期331-335,共5页微分方程年刊（英文版）

基　　金：supported by the NNSF of China (No.10071018)

摘　　要：In this paper,by a coincidence degree theory,the existence of periodic solutions to a Linard equation with multiple delays is established,which substantially extends some results in the previous literatures.In this paper,by a coincidence degree theory,the existence of periodic solutions to a Linard equation with multiple delays is established,which substantially extends some results in the previous literatures.

关 键 词：coincidence degree theory periodic solutions Linard equation mul-tiple delays 

分 类 号：O175[理学—数学]