带有卡普托-法布里齐奥（CF）导数的 COVID-19 新型分数阶 SIDARTHE 流行病模型的动力学分析

IF 3.1 3区数学 Q1 MATHEMATICS Advances in Difference Equations Pub Date : 2024-01-25 DOI:10.1186/s13662-024-03798-4

Yu Zhao, Tian-zeng Li, Rong Kang, Xi-liang He

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摘要

法布里奇奥和卡普托提出了一个非同寻常的分数导数定义，该定义已在许多领域得到应用。本文利用这一新概念研究了与 COVID-19 有关的 SIDARTHE 传染病模型。利用巴拿赫定点定理，证明了模型解的存在性和唯一性。然后，利用一种有效的方法推导出迭代方案。最后，展示了该模型在不同分数阶数和参数下的一些数值模拟。从计算结果可以看出，它不仅支持了理论论证，而且对模型的特征有深入的见解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Dynamical analysis of a novel fractional order SIDARTHE epidemic model of COVID-19 with the Caputo–Fabrizio(CF) derivative

Fabrizio and Caputo suggested an extraordinary definition of fractional derivative, which has been used in many fields. The SIDARTHE infectious disease model with regard to COVID-19 is studied by the new notion in this paper. Making use of the Banach fixed point theorem, the existence and uniqueness of the model’s solution are demonstrated. Then, an efficient method is utilized to deduce the iterative scheme. Finally, some numerical simulations of the model under various fractional orders and parameters are shown. From the computed result, we can see that it not only supports the theoretical demonstration, but also has an intensive insight into the characteristics of the model.

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来源期刊

Advances in Difference Equations MATHEMATICS, APPLIED-MATHEMATICS

CiteScore

8.60

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： The theory of difference equations, the methods used, and their wide applications have advanced beyond their adolescent stage to occupy a central position in applicable analysis. In fact, in the last 15 years, the proliferation of the subject has been witnessed by hundreds of research articles, several monographs, many international conferences, and numerous special sessions. The theory of differential and difference equations forms two extreme representations of real world problems. For example, a simple population model when represented as a differential equation shows the good behavior of solutions whereas the corresponding discrete analogue shows the chaotic behavior. The actual behavior of the population is somewhere in between. The aim of Advances in Difference Equations is to report mainly the new developments in the field of difference equations, and their applications in all fields. We will also consider research articles emphasizing the qualitative behavior of solutions of ordinary, partial, delay, fractional, abstract, stochastic, fuzzy, and set-valued differential equations. Advances in Difference Equations will accept high-quality articles containing original research results and survey articles of exceptional merit.