Search Results - "Rachik, Mostafa"
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Mathematical modeling of the spread of COVID-19 among different age groups in Morocco: Optimal control approach for intervention strategies
Published in Chaos, solitons and fractals (01-12-2020)“…In this article, we study the transmission of COVID-19 in the human population, notably between potential people and infected people of all age groups. Our…”
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A multi-region discrete time mathematical modeling of the dynamics of Covid-19 virus propagation using optimal control
Published in Journal of applied mathematics & computing (2020)“…We study in this work a discrete mathematical model that describes the dynamics of transmission of the Corona virus between humans on the one hand and animals…”
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On the Maximal Output Admissible Set for Linear Distributed Systems
Published in International journal of control, automation, and systems (01-11-2024)“…This paper investigates the maximal output set for a class of linear distributed systems with discrete output. This exploration is novel, as previous studies…”
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Mathematical modelling and control approach for sustainable ecosystems in mitigating the impact of pollutants on aquatic species in rivers
Published in Scientific reports (27-07-2024)“…This paper focuses on the urgent issue of minimising the impact of pollutants on aquatic life in river ecosystems. Our innovative approach involves the…”
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On the Regional Control of a Reaction–Diffusion System SIR
Published in Bulletin of mathematical biology (2020)“…This paper presents a study of regional optimal control strategies of a spatiotemporal SIR epidemic model which is formulated from existing SIR epidemic models…”
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Optimal Control of a Delayed Alcoholism Model with Saturated Treatment
Published in Differential equations and dynamical systems (2024)“…In the present work, we have proposed a new mathematical model of alcohol abuse with delay, saturated incidence function and logistic recruitment. The model is…”
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Mathematical Modelling and Optimal Control Strategies of a Multistrain COVID-19 Spread
Published in Journal of applied mathematics (16-07-2022)“…In this paper, we propose a continuous mathematical model that describes the spread of multistrains COVID-19 virus among humans: susceptible, exposed,…”
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Optimal feedback stabilization of fractional output in semilinear distributed systems
Published in Partial differential equations in applied mathematics : a spin-off of Applied Mathematics Letters (01-12-2024)“…This study explores the stabilization of state–space fractional derivatives in semilinear distributed systems, using the Riemann–Liouville derivative of order…”
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On the Maximal Output Admissible Set for a Class of Bilinear Discrete-time Systems
Published in International journal of control, automation, and systems (2021)“…Given a discrete-time controlled bilinear systems with initial state x 0 and output function y i , we investigate the maximal output set Θ(Ω) = { x 0 ∈ ℝ n , y…”
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Mathematical Model to Estimate and Predict the COVID-19 Infections in Morocco: Optimal Control Strategy
Published in Journal of applied mathematics (09-10-2020)“…In this paper, we aim to estimate and predict the situation of the new coronavirus pandemic (COVID-19) in countries under quarantine measures. First, we…”
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On the analysis of a multi-regions discrete SIR epidemic model: an optimal control approach
Published in International journal of dynamics and control (2017)“…In this paper, we devise a discrete time SIR model depicting the spread of infectious diseases in various geographical regions that are connected by any kind…”
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Stability and Global Sensitivity Analysis for an Agree-Disagree Model: Partial Rank Correlation Coefficient and Latin Hypercube Sampling Methods
Published in International journal of differential equations (2020)“…In this paper, we present a new mathematical model that describes agree-disagree opinions during polls. We first present the model and its different…”
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Mathematical Modeling of Public Opinions: Parameter Estimation, Sensitivity Analysis, and Model Uncertainty Using an Agree-Disagree Opinion Model
Published in Abstract and applied analysis (2020)“…In this paper, we present a mathematical model that describes agree-disagree opinions during polls. We first present the different compartments of the model…”
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Optimal Control Strategy for a Discrete Time Smoking Model with Specific Saturated Incidence Rate
Published in Discrete dynamics in nature and society (01-01-2018)“…The aim of this paper is to study and investigate the optimal control strategy of a discrete mathematical model of smoking with specific saturated incidence…”
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A New Simple Epidemic Discrete-Time Model Describing the Dissemination of Information with Optimal Control Strategy
Published in Discrete dynamics in nature and society (2020)“…In this paper, we consider a new discrete-time model that describes the spread of information by sharing in some kind of online environments such as Facebook,…”
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Mathematical Modeling and Analysis of an Alcohol Drinking Model with the Influence of Alcohol Treatment Centers
Published in International journal of mathematics and mathematical sciences (2020)“…In this paper, we present a continuous mathematical model PMHTrTpQ of alcohol drinking with the influence of private and public addiction treatment centers. We…”
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A multi-age mathematical modeling of the dynamics of population diabetics with effect of lifestyle using optimal control
Published in Journal of applied mathematics & computing (2021)“…Diabetes is a disease which caused by socio-environmental and / or genetic factors. The negative effect of socio-environmental or lifestyle leads a susceptible…”
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Optimal Control Problem for an Electoral Behavior Model
Published in Differential equations and dynamical systems (01-01-2023)“…In this paper, we propose a compartmental model where the electorate is divided into six classes or sub-populations: potential electors (P), unregistered…”
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Cost-effectiveness of a mathematical modeling with optimal control approach of spread of COVID-19 pandemic: A case study in Peru
Published in Chaos, Solitons & Fractals: X (01-06-2023)“…COVID-19 pandemic affects 213 countries and regions around the world. Which the number of people infected with the virus exceeded 26 millions infected and more…”
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A Subsidy Strategy to Boost the Activity of Small Milk Producers in Morocco
Published in Journal of applied mathematics (19-10-2021)“…The dairy sector in Morocco is a sector that struggles to develop by facing several difficulties. Therefore, a significant gap has emerged between the main…”
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