摘要：In this paper, we deal with a class of Gilpin-Ayala ecological models with discrete and distributed time delays. By employing a fixed point theorem of strict-set-contraction and inequality techniques, some sufficient conditions for the existence of periodic solutions are established. As an application, one example is given to illustrate the validity of our main results.
关键词：positive periodic solution ; Gilpin-Ayala ecological model ; discrete and distributed time delays ; strict-set-contraction
