【摘要】 建立了一类具有一般非线性接触率、一般非线性隔离函数及潜伏年龄结构的SEIRS传染病模型.运用压缩映射不动点定理及解的延拓方法,讨论了模型全局非负解的存在性及唯一性.更多还原

【Abstract】 An SEIRS epidemic model was formulated,and the general nonlinear contact rate,screening function and latent age were considered.By the fixed point theorem of contraction map and the extension method,the unique existence of the globally nonnegative solution was discussed.更多还原