Infinitely many periodic solutions to delay differential equations via critical point theory

Xiaosheng Zhang*, Duo Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


By the critical point theory, infinitely many 4σ-periodic solutions are obtained for the system of delay differential equations t = - f (x (t - σ)), where σ(0, + ∞) and fC It is shown that all the periodic solutions derived here are brought about by the time delay.

Original languageEnglish
Article number526350
JournalAbstract and Applied Analysis
Publication statusPublished - 2013
Externally publishedYes

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