Traveling waves of a nonlocal dispersal SEIR model with standard incidence<bold> </bold>

被引：13

作者：

Qiao, Shao-Xia ^{[1
]}

Yang, Fei-Ying ^{[1
]}

Li, Wan-Tong ^{[1
]}

机构：

[1] Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China

来源：

NONLINEAR ANALYSIS-REAL WORLD APPLICATIONS | 2019年 / 49卷

基金：

中国国家自然科学基金;

关键词：

Nonlocal dispersal; Schauder's fixed-point theorem; Traveling wave solutions; Critical wave speed<bold>; </bold>; REACTION-DIFFUSION SYSTEMS; EPIDEMIC MODEL; SIR MODEL; FRONTS; EXISTENCE; EQUATIONS; DYNAMICS; SPEED;

D O I：

10.1016/j.nonrwa.2019.03.003

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

This paper is devoted to investigating the traveling wave solutions of a nonlocal dispersal SEIR epidemic model with standard incidence. We find that the existence and nonexistence of traveling wave solutions are determined by the basic reproduction number and the critical wave speed. Through considering a truncate problem, combining with Schauder's fixed-point theorem and applying a limiting argument, we prove the existence of traveling wave solutions. Meanwhile, the nonexistence of traveling wave solutions is showed by the Laplace transform method. Furthermore, the existence of traveling wave solutions with critical wave speed is also established by a delicate analysis. We also point out that both the nonlocal dispersal and coupling of system in the model bring some difficulties in the study of traveling wave solutions. (C) 2019 Elsevier Ltd. All rights reserved.<bold> </bold>

引用

页码：196 / 216

页数：21

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