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Stability and Hopf Bifurcation of a Vector-Borne Disease Model with Saturated Infection Rate and Reinfection

机译:具有饱和感染率和再感染的媒介传染病模型的稳定性和Hopf分叉

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摘要

This paper established a delayed vector-borne disease model with saturated infection rate and cure rate. First of all, according to the basic reproductive number R 0, we determined the disease-free equilibrium E 0 and the endemic equilibrium E 1. Through the analysis of the characteristic equation, we consider the stability of two equilibriums. Furthermore, the effect on the stability of the endemic equilibrium E 1 by delay was studied, the existence of Hopf bifurcations of this system in E 1 was analyzed, and the length of delay to preserve stability was estimated. The direction and stability of the Hopf bifurcation were also been determined. Finally, we performed some numerical simulation to illustrate our main results.
机译:本文建立了具有饱和感染率和治愈率的延迟病媒传播疾病模型。首先,根据基本生殖数R 0,确定无病平衡E 0和地方病平衡E1。通过特征方程式的分析,我们考虑了两个平衡的稳定性。此外,研究了延迟对地方均衡E 1稳定性的影响,分析了该系统在E 1中的Hopf分支的存在,并估计了保持稳定性的延迟时间。还确定了Hopf分叉的方向和稳定性。最后,我们进行了一些数值模拟以说明我们的主要结果。

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