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2篇 您的检索式:作者名="Aziz Laaribi"
    题名 作者 年代 出处 被引量
1Media effects on the dynamics of a stochastic SIRI epidemic model with relapse and Lévy noise perturbation显示文摘In this paper, we study the dynamic properties of an SIRI epidemic model incorporating media coverage, and stochastically perturbed by a Lévy noise. We establish the existence of a unique global positive solution. We investigate the dynamic properties of the solution around both disease-free and endemic equilibria points of the deterministic model depending on the basic reproduction number under some noise excitation. Furthermore, we present some numerical simulations to support the theoretical results.Badr-Eddine Berrhazi Mohamed El Fatini Roger Pettersson Aziz Laaribi 2019International Journal of Biomathematics2019,12,3:4
2A stochastic threshold of a delayed epidemic model incorporating Levy processes with harmonic mean and vaccination显示文摘The aim of this paper is to investigate a stochastic threshold for a delayed epidemic model driven by Levy noise with a nonlinear incidence and vaccination.Mainly,we derive a stochastic threshold 77s which depends on model parameters and stochastic coefficients for a better understanding of the dynamical spreading of the disease.First,we prove the well posedness of the model.Then,we study the extinction and the persistence of the disease according to the values of TZS.Furthermore,using different scenarios of Tuberculosis disease in Morocco,we perform some numerical simulations to support the analytical results.Mohamed El Fatini Idriss Sekkak Aziz Laaribi Roger Pettersson Kai Wang 2020International Journal of Biomathematics2020,13,7:0
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