Global stability and uniform persistence for an infection load-structured SI model with exponential growth velocity
COMMUNICATIONS ON PURE AND APPLIED ANALYSIS(2019)
摘要
In this article is perfomed a global stability analysis of an infection load-structured epidemic model using tools of dynamical systems theory. An explicit Duhamel formulation of the semiflow allows us to prove the existence of a compact attractor for the trajectories of the system. Then, according to the sharp threshold R-0, the basic reproduction number of the disease, we make explicit the basins of attractions of the equilibria of the system and prove their global stability with respect to these basins, the attractivness property being obtained using infinite dimensional Lyapunov functions.
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关键词
Structured population dynamics,epidemic models,PDE,dynamical systems,Lyapunov function,stability analysis
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