%0 Journal Article %A Changjin Xu and Peiluan Li %D 2012 %J International Journal of Mathematical and Computational Sciences %B World Academy of Science, Engineering and Technology %I Open Science Index 68, 2012 %T Periodic Oscillations in a Delay Population Model %U https://publications.waset.org/pdf/576 %V 68 %X In this paper, a nonlinear delay population model is investigated. Choosing the delay as a bifurcation parameter, we demonstrate that Hopf bifurcation will occur when the delay exceeds a critical value. Global existence of bifurcating periodic solutions is established. Numerical simulations supporting the theoretical findings are included. %P 1181 - 1184