Global stability of a diffusive and delayed virus dynamics model with Beddington-DeAngelis incidence function and CTL immune response

被引:26
作者
Yang, Yu [1 ]
Xu, Yancong [2 ]
机构
[1] Zhejiang Int Studies Univ, Sch Sci & Technol, Hangzhou 310012, Zhejiang, Peoples R China
[2] Hangzhou Normal Univ, Dept Math, Hangzhou 310036, Zhejiang, Peoples R China
关键词
Virus dynamics model; CTL immune response; Lyapunov functional; Global stability; HIV-1 INFECTION MODEL; INTRACELLULAR DELAYS; TIME-DELAY; HBV MODEL; ASYMPTOTIC PROPERTIES; NONLINEAR INCIDENCE; VIRAL-INFECTIONS;
D O I
10.1016/j.camwa.2016.01.009
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, we study a diffusive and delayed virus dynamics model with Beddington-DeAngelis incidence and CTL immune response. By constructing Lyapunov functionals, we show that if the basic reproductive number is less than or equal to one, then the infection-free equilibrium is globally asymptotically stable; if the immune reproductive number is less than or equal to one and the basic reproductive number is greater than one, then the immune-free equilibrium is globally asymptotically stable; if the immune reproductive number is greater than one, then the interior equilibrium is globally asymptotically stable. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码:922 / 930
页数:9
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