Existence of positive almost periodic solutions on a ecological competition system with infinite delay 具有无穷时滞的生态竞争系统概周期解存在性
2.
Sufficient conditions for the existence of positive periodic solution to certain neutral delay multispecies ecological competitive system are established by means of coincidence degree and some new techniques 摘要利用重合度理论和某些新技巧建立了一类中立型时滞多物种生态竞争系统的周期正解存在的充分条件。
