TY - JFULL AU - Kaihong Zhao and Jiuqing Liu PY - 2013/4/ TI - Multiple Positive Periodic Solutions of a Delayed Predatory-Prey System with Holling Type II Functional Response T2 - International Journal of Mathematical and Computational Sciences SP - 439 EP - 444 VL - 7 SN - 1307-6892 UR - https://publications.waset.org/pdf/16989 PU - World Academy of Science, Engineering and Technology NX - Open Science Index 75, 2013 N2 - In this letter, we considers a delayed predatory-prey system with Holling type II functional response. Under some sufficient conditions, the existence of multiple positive periodic solutions is obtained by using Mawhin’s continuation theorem of coincidence degree theory. An example is given to illustrate the effectiveness of our results. ER -