摘要
本文对一类具有两个阶段结构的SI传染病模型进行了分析。
Abstract In this paper, a SI epidemic model with two-stage structrue consistering immature and mature stage is studied. The threshold is found, that is,when the infection rate is less than this threshold, the epidemic will die out; otherwise the epidemic will become local epidemic.
出处
《应用数学学报》
CSCD
北大核心
2002年第2期193-203,共11页
Acta Mathematicae Applicatae Sinica
基金
山西省自然科学基金资助项目.
