Periodic solutions of higher-order delay
β
Yuji Liu; Pinghua Yang; Weigao Ge
π
Article
π
2005
π
Elsevier Science
π
English
β 219 KB
In this paper, we prove existence results for periodic solutions concerning the higher-order delay differential equations. Our method is based upon the coincidence degree theory of Mawhin. The results obtained are new. Examples are given to illustrate the main results.