【摘要】 分析了食饵具有自私和无私两种行为的自治捕食者-食饵模型.证明了在适当条件下稳定极限环的存在性及物种的持久性.更多还原

【Abstract】 In this paper,we study an autonomous predator-prey system in which individuals in the prey population are divided into two classes:altruistic and selfish.It is shown that there exists a stable limit cycle under some appropriate conditions.Further,conditions are derived for the permanence of the species.更多还原