Dynamics of a fractional COVID-19 model with immunity using harmonic incidence mean-type [0.03%]
基于调和平均数型免疫效应的新型冠状病毒肺炎数学模型及其动力学行为研究
Nandhini Mohankumar,Lavanya Rajagopal
Nandhini Mohankumar
The transmission dynamics of COVID-19 is investigated through the prism of the Atangana-Baleanu fractional model with acquired immunity. Harmonic incidence mean-type aims to drive exposed and infected populations towards extinction in a fin...
Dynamics and calculation of the basic reproduction number for a nonlocal dispersal epidemic model with air pollution [0.03%]
非局部扩散的空气污染流行病模型的基本再生数的动力学与计算公式研究
Qi Zhou,Xinzhong Xu,Qimin Zhang
Qi Zhou
In order to reflect the dispersal of pollutants in non-adjacent areas and the large-scale movement of individuals, this paper proposes an epidemic model of nonlocal dispersal with air pollution, where the transmission rate is related to the...
Global dynamics of an SIS compartment model with resource constraints [0.03%]
资源受限条件下SIS compartment模型的全局动力学行为分析
Huayu Liu,Chenbo Liu,Tao Feng
Huayu Liu
This paper formulates a mathematical framework to describe the dynamics of SIS-type infectious diseases with resource constraints. We first define the basic reproduction number that determines disease prevalence and analyze the existence an...
Dynamic analysis of rumor propagation model with media report and time delay on social networks [0.03%]
带媒体报导和时滞的谣言传播模型的社会网络动态分析
Haoming Guo,Xuefeng Yan,Yanbiao Niu et al.
Haoming Guo et al.
When a rumor appears on social networks, the media of relevant departments need reaction time to make an authoritative announcement. Considering the effects of the media report and time delay on a rumor spreading, and the different attitude...
Dynamical behavior of a stochastic SIQS model via isolation with regime-switching [0.03%]
具有切换的经由隔离的随机SIQS模型的动力学行为
Feng Wang,Zaiming Liu
Feng Wang
A stochastic SIQS model via isolation with regime-switching is studied in this paper. The range of positive solution of the model is presented. Threshold to determine extinction and invariant measure is obtained by a new technique, which ca...
Dynamical analysis of a stochastic non-autonomous SVIR model with multiple stages of vaccination [0.03%]
多阶段疫苗接种的随机非自治SVIR模型的动力学分析
Mohamed Mehdaoui,Abdesslem Lamrani Alaoui,Mouhcine Tilioua
Mohamed Mehdaoui
In this paper, we analyze the dynamics of a new proposed stochastic non-autonomous SVIR model, with an emphasis on multiple stages of vaccination, due to the vaccine ineffectiveness. The parameters of the model are allowed to depend on time...
Dynamics in a disease transmission model coupled virus infection in host with incubation delay and environmental effects [0.03%]
具有潜伏期和环境影响的疾病传播模型中耦合病毒感染的动力学研究
Abulajiang Aili,Zhidong Teng,Long Zhang
Abulajiang Aili
In this paper, a disease transmission model coupled virus infection in host with incubation delay and environmental effects is studied. For the virus infection model in host with immune, latent delay and environmental virus invading, the th...
COVID-19 outbreak: a predictive mathematical study incorporating shedding effect [0.03%]
新冠疫情的数学预测模型研究及其预防控制措施效果评估
Anuraj Singh,Preeti Deolia
Anuraj Singh
In this paper, a modified SEIR epidemic model incorporating shedding effect is proposed to analyze transmission dynamics of the COVID-19 virus among different individuals' classes. The direct impact of pathogen concentration over susceptibl...
Spatio-temporal solutions of a diffusive directed dynamics model with harvesting [0.03%]
具有收获作用的扩散型导向动力学模型的时空解法研究
Md Kamrujjaman,Kamrun Nahar Keya,Ummugul Bulut et al.
Md Kamrujjaman et al.
The study considers a directed dynamics reaction-diffusion competition model to study the density of evolution for a single species population with harvesting effect in a heterogeneous environment, where all functions are spatially distribu...
An efficient numerical method for a singularly perturbed Fredholm integro-differential equation with integral boundary condition [0.03%]
一个求解奇异摄动的弗雷德霍姆微分-积分方程（含积分边界条件）的有效数值方法
Muhammet Enes Durmaz,Ilhame Amirali,Gabil M Amiraliyev
Muhammet Enes Durmaz
In this paper, a linear singularly perturbed Fredholm integro-differential initial value problem with integral condition is being considered. On a Shishkin-type mesh, a fitted finite difference approach is applied using a composite trapezoi...