Titlebook: Differential Equations and Population Dynamics I; Introductory Approac Arnaud Ducrot,Quentin Griette,Pierre Magal Textbook 2022 The Editor(

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Polarized Radiative Transfer EquationsAn epidemic outbreak of a new human coronavirus, termed the novel coronavirus COVID-19, has occurred in Wuhan, China. The first cases occurred in early December 2019, and by January 29, 2020, more than 7000 cases had been reported in China.

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https://doi.org/10.1057/9781137343581COVID-19 disease caused by the severe acute respiratory syndrome coronavirus (SARS-CoV-2) first appeared in Wuhan, China, and the first cases were notified to the WHO on 31 December 2019.

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J. Retèl,T. J. Stoof,R. J. PlantaEstimating the average transmission rate is one of the most crucial challenges in the epidemiology of communicable diseases. This rate conditions the entry into the epidemic phase of the disease and its return to the extinction phase, if it has diminished sufficiently.

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Existence and Uniqueness of SolutionsThe goal of this section is to describe four different ways of using the Banach fixed point theorem to solve (2.1). To make this presentation as simple as possible, we only focus on linear ordinary differential equations.

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Nonlinear Differential EquationsThe so-called . was introduced in population dynamics by Bernoulli (1760) [28] and Verhulst (1838) [347] to model the limitation of growth in a natural population.

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