Nonstandard finite difference scheme for a diffusive within-host virus dynamics model with both virus-to-cell and cell-to-cell transmissions

In this paper, we first propose a diffusive within-host virus dynamics model with both virus-to-cell and cell-to-cell transmissions. Then, we consider the discretization of the model by using nonstandard finite difference scheme. It is then followed by the investigation of the global stability of th...

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Published in:Computers & mathematics with applications (1987) 2016-08, Vol.72 (4), p.1013-1020
Main Authors: Yang, Yu, Zhou, Jinling, Ma, Xinsheng, Zhang, Tonghua
Format: Article
Language:English
Subjects:
Asymptotic properties
Cell-to-cell transmission
Computer simulation
Discretization
Dynamic models
Finite difference method
Global stability
Lyapunov function
Mathematical analysis
Mathematical models
Nonstandard finite difference
Viruses
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description In this paper, we first propose a diffusive within-host virus dynamics model with both virus-to-cell and cell-to-cell transmissions. Then, we consider the discretization of the model by using nonstandard finite difference scheme. It is then followed by the investigation of the global stability of the equilibria of the discrete model. Our study shows that if the basic reproduction number R0≤1, then the infection-free equilibrium is globally asymptotically stable; however if R0>1, then the infection equilibrium is globally asymptotically stable. Numerical simulations are presented to illustrate our theoretical results.
doi_str_mv 10.1016/j.camwa.2016.06.015
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subjects Asymptotic properties
Cell-to-cell transmission
Computer simulation
Discretization
Dynamic models
Finite difference method
Global stability
Lyapunov function
Mathematical analysis
Mathematical models
Nonstandard finite difference
Viruses
title Nonstandard finite difference scheme for a diffusive within-host virus dynamics model with both virus-to-cell and cell-to-cell transmissions
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