Analysis of Caputo fractional SEIR model for Covid-۱۹ pandemic

سال انتشار: 1402
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 48

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شناسه ملی سند علمی:

JR_IJNAA-14-12_025

تاریخ نمایه سازی: 17 دی 1402

چکیده مقاله:

In this paper, we study the spread of COVID-۱۹ and its effect on a population through mathematical models. We propose a Caputo time-fractional compartmental model (SEIR) comprising the susceptible, exposed, infected and recovered population for the dynamics of the COVID-۱۹ pandemic. The proposed nonlinear fractional model is an extension of a formulated integer-order COVID-۱۹ mathematical model. The existence of a unique solution for the proposed model was shown by using basic concepts such as continuity and Banach's fixed-point theorem. The uniqueness and boundedness of the solutions of the proposed model are investigated. We calculate a central quantity in epidemiology called the basic reproduction number, R_{۰} by the concept of the next-generation matrices approach. The equilibrium points of the model are calculated and the local asymptotic stability for the derived disease-free equilibrium point is discussed.

نویسندگان

Saeid Shagholi

Department of Mathematics, Faculty of Mathematics, Statistics and Computer Science, Semnan University, Iran

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