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Keywords:
Quadratic stochastic operator; fixed point; discrete-time; SISI model; epidemic
Quadratic stochastic operator; fixed point; discrete-time; SISI model; epidemic
Summary:
We consider SISI epidemic model with discrete-time. The crucial point of this model is that an individual can be infected twice. This non-linear evolution operator depends on seven parameters and we assume that the population size under consideration is constant, so death rate is the same with birth rate per unit time. Reducing to quadratic stochastic operator (QSO) we study the dynamical system of the SISI model.
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