Electron. J. Differential Equations, Vol. 2018 (2018), No. 171, pp. 1-11.

Minimal wave speed on a diffusive SIR model with nonlocal delays

Wei-Jian Bo, Guo Lin, Ben Xiong

Abstract:
This article concerns the minimal wave speed of a diffusive SIR model with nonlocal delays, in which the dynamics of disease has no positive outbreak threshold. By constructing a pair of super and sub-solutions, we establish the existence of traveling wave solutions with the minimal wave speed.

Submitted December 7, 2017. Published October 15, 2018.
Math Subject Classifications: 35C07, 35K57, 92D30.
Key Words: Minimal wave speed; nonmonotone system; super and sub-solutions.

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Wei-Jian Bo
School of Mathematics and Statistics
Lanzhou University
Lanzhou, Gansu 730000, China
email: bowj13@lzu.edu.cn
Guo Lin
School of Mathematics and Statistics
Lanzhou University
Lanzhou, Gansu 730000, China
email: ling@lzu.edu.cn
Ben Xiong
School of Mathematics and Statistics
Lanzhou University
Lanzhou, Gansu 730000, China
email: xiongb15@lzu.edu.cn

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