Multiple periodic solutions for non-canonical Hamiltonian systems with application to differential delay equations

2014 ◽  
Vol 57 (8) ◽  
pp. 1625-1638 ◽  
Author(s):  
Rong Cheng ◽  
JunXiang Xu ◽  
FuBao Zhang
1999 ◽  
Vol 60 (3) ◽  
pp. 377-390 ◽  
Author(s):  
Jibin Li ◽  
Zhengrong Liu ◽  
Xuezhong He

This paper is concerned with finding periodic solutions of differential delay systemsandwhere ri (i = 1, 2,…, n − 1) are positive constants. By using the theory of Hamiltonian systems, we obtain some sufficient conditions under which these systems have many periodic solutions with known periods.


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