Dynamic models of epidemiology in discrete time taking into account processes with lag [0.03%]
考虑滞后过程的离散时间流行病学动态模型
P S Knopov,A S Korkhin
P S Knopov
Models of epidemic dynamics in the form of systems of differential equations of the type SIR and its generalizations, for example SEIR and SIRS, have become widespread in epidemiology. Their coefficients are averages of some epidemic indica...
A computational technique for the Caputo fractal-fractional diabetes mellitus model without genetic factors [0.03%]
一种计算Caputo分数阶微分-糖尿病模型（无遗传因素）的技巧
Berat Karaagac,Kolade M Owolabi,Edson Pindza
Berat Karaagac
The concept of a Caputo fractal-fractional derivative is a new class of non-integer order derivative with a power-law kernel that has many applications in real-life scenarios. This new derivative is applied newly to model the dynamics of di...
Fractional order mathematical model for B.1.1.529 SARS-Cov-2 Omicron variant with quarantine and vaccination [0.03%]
带有隔离和疫苗接种的B.1.1.529SARS-Cov-2奥米克戎亚型的分数阶数学模型
S Dickson,S Padmasekaran,Pushpendra Kumar
S Dickson
In this paper, a fractional order nonlinear model for Omicron, known as B.1.1.529 SARS-Cov-2 variant, is proposed. The COVID-19 vaccine and quarantine are inserted to ensure the safety of host population in the model. The fundamentals of po...
Optimal control of the coronavirus pandemic with both pharmaceutical and non-pharmaceutical interventions [0.03%]
同时采用医药和非医药干预措施实现对冠状病毒肺炎疫情的优化控制
Segun I Oke,Matthew I Ekum,Olalekan J Akintande et al.
Segun I Oke et al.
Coronaviruses are types of viruses that are widely spread in humans, birds, and other mammals, leading to hepatic, respiratory, neurologic, and enteric diseases. The disease is presently a pandemic with great medical, economical, and politi...
Modeling nonlinear fractional-order subdiffusive dynamics in nuclear reactor with artificial neural networks [0.03%]
人工神经网络在核反应堆中模拟非线性分数阶亚扩散动力学
Balu P Bhusari,Mukesh D Patil,Sharad P Jadhav et al.
Balu P Bhusari et al.
This paper presents the development and analysis of artificial neural network (ANN) models for the nonlinear fractional-order (FO) point reactor kinetics model, FO Nordheim-Fuchs model, inverse FO point reactor kinetics model and FO constan...
Qualitative analysis of a fractional-order two-strain epidemic model with vaccination and general non-monotonic incidence rate [0.03%]
具有接种以及一般非单调发病率的分数阶两种群传染病模型的定性分析
Mohamed Yasser Sahnoune,Adil Ez-Zetouni,Khadija Akdim et al.
Mohamed Yasser Sahnoune et al.
In this paper, a fractional-order two-strain epidemic model with vaccination and general non-monotonic incidence rate is analyzed. The studied problem is formulated using susceptible, infectious and recovered compartmental model. A Caputo f...
A simple epidemic model for semi-closed community reveals the hidden outbreak risk in nursing homes, prisons, and residential universities [0.03%]
半封闭社区的简单传染病模型揭示了疗养院、监狱和住宿制大学中隐蔽的疫情风险
Chaoqian Wang
Chaoqian Wang
We develop a general SIS model to study the epidemic transmission in such semi-closed communities. The community population is divided into susceptible and infected in terms of the infection state, and concerning the physical structure of t...
Impacts of lockdown on the dynamics of forestry biomass, wildlife species and control of atmospheric pollution [0.03%]
封锁对林业生物质、野生动物物种和大气污染控制的动力学影响
Sapna Devi,Reda Fatma,Vinay Verma
Sapna Devi
In this paper, we have formulated and analysed a mathematical model to investigate the impacts of lockdown on the dynamics of forestry biomass, wildlife species and pollution. For this purpose, we have considered a nonlinear system of four ...
Mohamed El Yahyaoui,Saida Amine
Mohamed El Yahyaoui
In this paper, we proposed and analyzed a new mathematical model of unemployment. Two types of unemployment are involved, structural and cyclical unemployment. The problem is modeled using a nonlinear of ordinary differential system. Three ...
Nita H Shah,Ekta N Jayswal,Ankush H Suthar
Nita H Shah
Coronavirus disease 2019 (COVID-19), an infection that is highly contagious. It has a regrettable effect on the world and has resulted in more than 4.6 million deaths to date (July 2021). For this contagious disease, numerous nations implem...