一类多时滞带反馈非自治单种群模型的灭绝性  

Extinction in a Class of Nonautonomous Single-Species Systems with Multiple Time-delays and Feedback Controls

作　　者：唐红兵[1] 洪燕君[2] 

机构地区：[1]石河子大学师范学院数学系,石河子832003 [2]石河子大学师范学院课程教学系,石河子832003

出　　处：《石河子大学学报（自然科学版）》2010年第3期387-389,共3页Journal of Shihezi University(Natural Science)

摘　　要：讨论了一类多时滞带反馈控制的非自治单种群模型正解的灭绝性,得到了以积分形式描述的灭绝性的弱充分条件,并得出反馈控制对该种群的灭绝性是无害的。Extinction of positive solutions for a class of nonautonomous single-species systems with multiple time-delays and feedback controls is considered.The rather weak sufficient conditions described by integrable form on the extinction are obtained,and the feedback controls are harmless for the extinction of species is found.

关 键 词：多时滞 反馈控制 非自治 单种群 灭绝性 

分 类 号：O141.1[理学—数学] O153.1[理学—基础数学]