STUDY ON AN SIS EPIDEMIC MODEL WITH TIME VARIANT DELAY

查看全文 作　　者：YUAN Sanling MA Zhien (Department of Applied Mathematics, Xi ’an Jiaotong University, Xi ’an 710049, China]

出　　处：《Journal of Systems Science & Complexity》索引2002年第15卷第3期,共8页

基　　金：This research is supported by the National Natural Science Foundation of China(19971066) ; the Youth Science Foundation of Shannxi Province(20021003). 摘　　要：In this paper,we study an SIS epidemic model with a time variant delay.By means of Liapunov functional,some sufficient conditions of global stability to endemic equilibrium and disease free equilibrium have been obtained.The influence of time delay on the stability of equilibria is displayed. 关键词：人口学自然出率自然死亡率 Epidemic模型

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STUDY ON AN SIS EPIDEMIC MODEL WITH TIME VARIANT DELAY

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