Multiple Periodic Solutions of a System of Functional Differential Equations

Author(s):  
Seshadev Padhi ◽  
John R. Graef ◽  
P. D. N. Srinivasu
2017 ◽  
Vol 2017 ◽  
pp. 1-5
Author(s):  
Jingli Xie ◽  
Zhiguo Luo ◽  
Yuhua Zeng

In this paper, we study a class of second-order neutral impulsive functional differential equations. Under certain conditions, we establish the existence of multiple periodic solutions by means of critical point theory and variational methods. We propose an example to illustrate the applicability of our result.


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