A global report on the dynamics of COVID-19 with quarantine and hospitalization: A fractional order model with non-local kernel

Z Ahmad, SA El-Kafrawy, TA Alandijany… - … Biology and Chemistry, 2022 - Elsevier
In this paper, a compartmental mathematical model has been utilized to gain a better insight
about the future dynamics of COVID-19. The total human population is divided into eight …

[HTML][HTML] Planning of school teaching during Covid-19

A Gandolfi - Physica D: Nonlinear Phenomena, 2021 - Elsevier
Learning and education are two of the biggest world issues of the current pandemic.
Unfortunately, it is seen in this work that, due to the length of the incubation period of Covid …

Optimal quarantine strategies for the COVID-19 pandemic in a population with a discrete age structure

JAM Gondim, L Machado - Chaos, Solitons & Fractals, 2020 - Elsevier
The goal of this work is to study the optimal controls for the COVID-19 epidemic in Brazil. We
consider an age-structured SEIRQ model with quarantine compartment, where the controls …

Mortality containment vs. economics opening: optimal policies in a SEIARD model

A Aspri, E Beretta, A Gandolfi, E Wasmer - Journal of mathematical …, 2021 - Elsevier
We extend the classic approach (SIR) to a SEAIRD model with policy controls. A social
planner's objective reflects the trade-off between mortality reduction and GDP, featuring its …

[HTML][HTML] Optimal surveillance mitigation of COVID'19 disease outbreak: fractional order optimal control of compartment model

OA Razzaq, DU Rehman, NA Khan, A Ahmadian… - Results in physics, 2021 - Elsevier
In present time, the whole world is in the phase of war against the deadly pandemic
COVID'19 and working on different interventions in this regard. Variety of strategies are …

Incentives, lockdown, and testing: from Thucydides' analysis to the COVID-19 pandemic

E Hubert, T Mastrolia, D Possamaï, X Warin - Journal of mathematical …, 2022 - Springer
In this work, we provide a general mathematical formalism to study the optimal control of an
epidemic, such as the COVID-19 pandemic, via incentives to lockdown and testing. In …

Global stability analysis of the role of multi-therapies and non-pharmaceutical treatment protocols for COVID-19 pandemic

BE Bassey, JU Atsu - Chaos, Solitons & Fractals, 2021 - Elsevier
In this paper, we sought and presented an 8-Dimensional deterministic mathematical COVID-
19 dynamic model that accounted for the global stability analysis of the role of dual-bilinear …

Optimal unlabeled set partitioning with application to risk-based quarantine policies

J Lin, H Aprahamian, H El-Amine - IISE Transactions, 2024 - Taylor & Francis
We consider the problem of partitioning a set of items into unlabeled subsets so as to
optimize an additive objective, ie, the objective function value of a partition is equal to the …

Set‐Valued Control Approach Applied to a COVID‐19 Model with Screening and Saturated Treatment Function

M Elhia, L Boujallal, M Alkama, O Balatif… - Complexity, 2020 - Wiley Online Library
The purpose of this paper is modelling and controlling the spread of COVID‐19 disease in
Morocco. A nonlinear mathematical model with two subclasses of infectious individuals is …

Simplified model on the timing of easing the lockdown

SP Chao - Chinese Journal of Physics, 2021 - Elsevier
Lockdown procedures have been proven successful in mitigating the spread of the viruses
in this COVID-19 pandemic, but they also have devastating impact on the economy. We use …