Travelling wave solutions for a nonlocal dispersal HIV infection dynamical model

Travelling wave solutions for a nonlocal dispersal HIV infection dynamical model
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非局部传播 HIV 感染动力学模型的行波解

DOI:
10.1016/j.jmaa.2017.08.024
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发表时间:
2018
期刊:
J. Math. Anal. Appl.
影响因子:
--
通讯作者:
Wanbiao Ma
Wanbiao Ma
中科院分区:
其他
文献类型:
--
作者:
Wei Wang;Wanbiao Ma

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建立了一类非局部扩散的HIV感染动力学模型。利用Schauder不动点定理研究了行波解的存在性。也就是说,我们研究了R0> 1和每个波的速度c> c的行波解的存在性。此外,通过构造适当的李雅普诺夫函数和利用Lebesgue控制收敛定理,得到了行波解在+∞处的边界渐近性态.利用极限论证,研究了当R0> 1,c= c ≠ 0时行波解的存在性.主要困难是模型产生的半流不具有保序性,解缺乏正则性。
This paper is devoted to developing a nonlocal dispersal HIV infection dynamical model. The existence of travelling wave solutions is investigated by employing Schauder's fixed point theorem. That is, we study the existence of travelling wave solutions for R 0> 1 and each wave speed c> c⁎. In addition, the boundary asymptotic behaviour of travelling wave solutions at+∞ is obtained by constructing suitable Lyapunov functions and employing Lebesgue dominated convergence theorem. By employing a limiting argument, we investigate the existence of travelling wave solutions for R 0> 1 and c= c⁎. The main difficulties are that the semiflow generated by the model does not have the order-preserving property and the solutions lack of regularity.
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