一类传染病模型的周期解

Periodic Solutions of a Kind of SIR Model

利用重合度的延拓定理研究了一类具有双线性周期传染率的SIR传染病模型,导出模型周期解得存在性.

By Using Mawhim continuation theorem,A SIR Model with density-dependence and bikinear infection rates was studied, and the existence of periodic solutions of this model was derived.