Abstract
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 language | English |
---|---|
Article number | 526350 |
Journal | Abstract and Applied Analysis |
Volume | 2013 |
DOIs | |
Publication status | Published - 2013 |
Externally published | Yes |