Numerical treatments for the optimal control of two types variable-order COVID-19 model [0.03%]
两种变量阶COVID-19模型的最优控制的数值处理方法
Nasser Sweilam,Seham Al-Mekhlafi,Salma Shatta et al.
Nasser Sweilam et al.
In this paper, a novel variable-order COVID-19 model with modified parameters is presented. The variable-order fractional derivatives are defined in the Caputo sense. Two types of variable order Caputo definitions are presented here. The ba...
Modified SIR model for COVID-19 transmission dynamics: Simulation with case study of UK, US and India [0.03%]
用于COVID-19传播动力学的改进SIR模型：以英国、美国和印度为例进行仿真研究
Pranati Rakshit,Soumen Kumar,Samad Noeiaghdam et al.
Pranati Rakshit et al.
Corona virus disease 2019 (COVID-19) is an infectious disease and has spread over more than 200 countries since its outbreak in December 2019. This pandemic has posed the greatest threat to global public health and seems to have changing ch...
The effect of the Caputo fractional difference operator on a new discrete COVID-19 model [0.03%]
Caputo分数阶差分算子在一个新的离散COVID-19模型中的作用
Abderrahmane Abbes,Adel Ouannas,Nabil Shawagfeh et al.
Abderrahmane Abbes et al.
This study aims to generalize the discrete integer-order SEIR model to obtain the novel discrete fractional-order SEIR model of COVID-19 and study its dynamic characteristics. Here, we determine the equilibrium points of the model and discu...
Modeling the crossover behavior of the bacterial infection with the COVID-19 epidemics [0.03%]
细菌感染与COVID-19流行病的交叉行为建模
Zhenhua Yu,Ayesha Sohail,Robia Arif et al.
Zhenhua Yu et al.
To explore the crossover linkage of the bacterial infections resulting from the viral infection, within the host body, a computational framework is developed. It analyzes the additional pathogenic effect of Streptococcus pneumonia, one of t...
S Y Tchoumi,H Rwezaura,J M Tchuenche
S Y Tchoumi
COVID-19 is a respiratory illness caused by an ribonucleic acid (RNA) virus prone to mutations. In December 2020, variants with different characteristics that could affect transmissibility emerged around the world. To address this new dynam...
Unravelling the dynamics of the COVID-19 pandemic with the effect of vaccination, vertical transmission and hospitalization [0.03%]
具有垂直传播、疫苗接种和住院效果的COVID-19流行病动力学模型研究
Rubayyi T Alqahtani,Salihu S Musa,Abdullahi Yusuf
Rubayyi T Alqahtani
The coronavirus disease 2019 (COVID-19) is caused by a newly emerged virus known as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), transmitted through air droplets from an infected person. However, other transmission routes a...
Application of piecewise fractional differential equation to COVID-19 infection dynamics [0.03%]
分段分数阶微分方程在新型冠状病毒肺炎感染动力学中的应用
Xiao-Ping Li,Haifaa F Alrihieli,Ebrahem A Algehyne et al.
Xiao-Ping Li et al.
We proposed a new mathematical model to study the COVID-19 infection in piecewise fractional differential equations. The model was initially designed using the classical differential equations and later we extend it to the fractional case. ...
Application of fractional optimal control theory for the mitigating of novel coronavirus in Algeria [0.03%]
分数最优控制理论在减轻阿尔及利亚新型冠状病毒中的应用
Yacine El Hadj Moussa,Ahmed Boudaoui,Saif Ullah et al.
Yacine El Hadj Moussa et al.
In this paper, we investigate the dynamics of novel coronavirus infection (COVID-19) using a fractional mathematical model in Caputo sense. Based on the spread of COVID-19 virus observed in Algeria, we formulate the model by dividing the in...
Transmission dynamics of COVID-19 pandemic with combined effects of relapse, reinfection and environmental contribution: A modeling analysis [0.03%]
结合复发、再感染和环境因素的COVID-19传播动力学：建模分析
Salihu S Musa,Abdullahi Yusuf,Shi Zhao et al.
Salihu S Musa et al.
Reinfection and reactivation of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have recently raised public health pressing concerns in the fight against the current pandemic globally. In this study, we propose a new dynamic mo...
Fractal-fractional operator for COVID-19 (Omicron) variant outbreak with analysis and modeling [0.03%]
用于COVID-19（奥密克戎）变种暴发的分形分数阶算子及其分析和建模
Muhammad Farman,Maryam Amin,Ali Akgül et al.
Muhammad Farman et al.
The fractal-fraction derivative is an advanced category of fractional derivative. It has several approaches to real-world issues. This work focus on the investigation of 2nd wave of Corona virus in India. We develop a time-fractional order ...