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Analysis of a Diffusive Heroin Epidemic Model in a Heterogeneous Environment

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  • Jinliang Wang
  • Hongquan Sun

Abstract

This paper is concerned with a reaction-diffusion heroin model in a bound domain. The objective of this paper is to explore the threshold dynamics based on threshold parameter and basic reproduction number (BRN) , and it is proved that if , heroin spread will be extinct, while if , heroin spread is uniformly persistent and there exists a positive heroin-spread steady state. We also obtain that the explicit formula of and global attractiveness of constant positive steady state (PSS) when all parameters are positive constants. Our simulation results reveal that compared to the homogeneous setting, the spatial heterogeneity has essential impacts on increasing the risk of heroin spread.

Suggested Citation

  • Jinliang Wang & Hongquan Sun, 2020. "Analysis of a Diffusive Heroin Epidemic Model in a Heterogeneous Environment," Complexity, Hindawi, vol. 2020, pages 1-12, May.
    • Handle: RePEc:hin:complx:8268950
    DOI: 10.1155/2020/8268950
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