In this paper, we study a nonlocal dispersal SIR model with general nonlinear incidence rate and spatio-temporal delay. By Schauder's fixed point theorem and Laplace transform, we show that the existence and nonexistence of traveling wave solutions are determined by the basic reproduction number and the minimal wave speed. Some examples are listed to illustrate the theoretical results. Our results generalize some known results.
机构:
Northwest Normal Univ, Coll Math & Stat, Lanzhou 730070, Gansu, Peoples R ChinaNorthwest Normal Univ, Coll Math & Stat, Lanzhou 730070, Gansu, Peoples R China
Zhang, Guo-Bao
Li, Yan
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Xidian Univ, Sch Math & Stat, Xian 710071, Shanxi, Peoples R ChinaNorthwest Normal Univ, Coll Math & Stat, Lanzhou 730070, Gansu, Peoples R China
Li, Yan
Feng, Zhaosheng
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Univ Texas Rio Grande Valley, Dept Math, Edinburg, TX 78539 USANorthwest Normal Univ, Coll Math & Stat, Lanzhou 730070, Gansu, Peoples R China