摘要
本文讨论一类时变年龄结构 SEIR传染病模型 ,利用特征线、积分方程理论和泛函分析的方法证明了系统的解的存在性 。
The paper researches a class of time -varging age-structured SEIR epidemic model, It proved the existence of soluti on for the systems by the methods of characteristic, the theories of integrate e quation and functional analysis. And in this paper the analytic representations for the solution is given.
出处
《数学的实践与认识》
CSCD
北大核心
2003年第8期91-96,共6页
Mathematics in Practice and Theory
