Selected article for: "constant assume and total number"
Author: Lucia Russo; Cleo Anastassopoulou; Athanassios Tsakris; Gennaro Nicola Bifulco; Emilio Fortunato Campana; Gerardo Toraldo; Constantinos Siettos
Title: Tracing DAY-ZERO and Forecasting the Fade out of the COVID-19 Outbreak in Lombardy, Italy: A Compartmental Modelling and Numerical Optimization Approach.
  • Document date: 2020_3_20
    • ID: fuqtwn5a_6
    Snippet: Based on the above, let us consider a well-mixed population of size N . The state of the system at time t, is described by (see also Figure 1 for a schematic) S(t) representing the number of susceptible persons, E(t) the number of exposed, I(t) the number of unreported infected persons in the total population 85 who are asymptomatic or experience mild symptoms and recover relatively soon without any other complications, I c (t) the number of conf.....
    Document: Based on the above, let us consider a well-mixed population of size N . The state of the system at time t, is described by (see also Figure 1 for a schematic) S(t) representing the number of susceptible persons, E(t) the number of exposed, I(t) the number of unreported infected persons in the total population 85 who are asymptomatic or experience mild symptoms and recover relatively soon without any other complications, I c (t) the number of confirmed infected cases who may develop more severe symptoms and a part of them dies, R(t) the number of recovered persons in the total population, R c (t) the number of confirmed recovered cases and D(t) the number of deaths. For our analysis, and for such 90 a short period, we assume that the total number of the population remains constant. Based on demographic data, the total population of Lombardy is N = 10m; its surface area is 23,863.09 kmq and the population density is ∼422

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