Ji, Chunyan; Jiang, Daqing; Shi, Ningzhong - In: Physica A: Statistical Mechanics and its Applications 390 (2011) 10, pp. 1747-1762
In this paper, we discuss a multigroup SIR model with stochastic perturbation. We deduce the globally asymptotic stability of the disease-free equilibrium when R0≤1, which means the disease will die out. On the other hand, when R01, we derive the disease will prevail, which is measured through...
