具有无穷时滞的“食物有限”差分系统的持久性

摘要

研究具有无穷时滞的“食物有限”差分模型。通过对系统进行详尽的分析，得到了系统的无条件持久的结果。%A"food-limited"discrete model with infinite delays is studied. By giving the detail analy⁃sis of the system,obtains that the system is permanent unconditionally.