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Qualitative analysis for a Wolbachia infection model with diffusion

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Abstract

We consider a reaction-diffusion model which describes the spatial Wolbachia spread dynamics for a mixed population of infected and uninfected mosquitoes. By using linearization method, comparison principle and Leray-Schauder degree theory, we investigate the influence of diffusion on the Wolbachia infection dynamics. After identifying the system parameter regions in which diffusion alters the local stability of constant steady-states, we find sufficient conditions under which the system possesses inhomogeneous steady-states. Surprisingly, our mathematical analysis, with the help of numerical simulations, indicates that diffusion is able to lower the threshold value of the infection frequency over which Wolbachia can invade the whole population.

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Correspondence to JianShe Yu.

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Huang, M., Yu, J., Hu, L. et al. Qualitative analysis for a Wolbachia infection model with diffusion. Sci. China Math. 59, 1249–1266 (2016). https://doi.org/10.1007/s11425-016-5149-y

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  • DOI: https://doi.org/10.1007/s11425-016-5149-y

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