【摘要】 讨论了一类三种群的Bedd ington-D eA ngelis反应周期系统,且第二个种群对第一个种群有性别偏食现象,得到了存在全局周期解的条件.研究了三种群的Bedd ington-D eA ngelis反应概周期系统,得到了系统存在概周期解的条件.更多还原

【Abstract】 this paper studies a mixed model with a type of Beddington-DeAngelis functional response.The second group with sexual favoritism to the first group.The conditions of globally asymptotic stability is obtained.A set of sufficient conditions on the existence and uniqueness of almost periodic solutions of the systems is obtained.更多还原