TY - JOUR T1 - Periodic solutions for a predator-prey model with Holling-type functional response and time delays A1 - Xu,Rui A1 - Chaplain,M. A. J. A1 - Davidson,F. A. AU - Xu,Rui AU - Chaplain,M. A. J. AU - Davidson,F. A. PY - 2005 Y1 - 2005 N2 - A delayed periodic Holling-type predator–prey model without instantaneous negative feedback is investigated. By using the continuation theorem of coincidence degree theory and by constructing suitable Lyapunov functionals, a set of easily verifiable sufficient conditions are derived for the existence, uniqueness and global stability of positive periodic solutions to the model. Numerical simulation is carried out to illustrate the feasibility of our main results. AB - A delayed periodic Holling-type predator–prey model without instantaneous negative feedback is investigated. By using the continuation theorem of coincidence degree theory and by constructing suitable Lyapunov functionals, a set of easily verifiable sufficient conditions are derived for the existence, uniqueness and global stability of positive periodic solutions to the model. Numerical simulation is carried out to illustrate the feasibility of our main results. KW - Predator-prey system KW - Time delay KW - Periodic solution KW - Lyapunov functional KW - Global stability U2 - 10.1016/j.amc.2003.12.054 DO - 10.1016/j.amc.2003.12.054 M1 - Article JO - Applied Mathematics and Computation JF - Applied Mathematics and Computation SN - 0096-3003 IS - 2 VL - 161 SP - 637 EP - 654 ER -