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Published in 2025 at "Mathematical Methods in the Applied Sciences"
DOI: 10.1002/mma.10698
Abstract: In this paper, we consider a stochastic heroin epidemic model with distributed delay. We analyze the model in detail: We prove the existence and uniqueness of the global positive solution of the system, the asymptotic…
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Keywords:
heroin epidemic;
model distributed;
distributed delay;
stochastic heroin ... See more keywords
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Published in 2025 at "Mathematical Methods in the Applied Sciences"
DOI: 10.1002/mma.11111
Abstract: This article aims to explore the qualitative theory of a two‐strain epidemic model that incorporates a piecewise operator. The study employs fixed‐point theory to analyze the existence and uniqueness of solutions for the model. Additionally,…
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Keywords:
two strain;
epidemic model;
mathematical study;
strain epidemic ... See more keywords
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Published in 2021 at "Mathematical Methods in the Applied Sciences"
DOI: 10.1002/mma.7360
Abstract: Different countries of the world are facing a serious pandemic of corona virus disease (COVID‐19). One of the most typical treatments for COVID‐19 is social distancing, which includes lockdown; it will help to decrease the…
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Keywords:
order covid;
fractional order;
epidemic model;
social distancing ... See more keywords
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Published in 2021 at "Mathematical Methods in the Applied Sciences"
DOI: 10.1002/mma.7583
Abstract: An SVEIR epidemic model with continuous age‐dependent vaccination, latency, infection, and disease relapse is proposed and analyzed in this paper. The dynamical behaviors including the derivation of basic reproduction number R0 , the existence and…
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Keywords:
dependent vaccination;
sveir epidemic;
vaccination latency;
model ... See more keywords
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Published in 2022 at "Mathematical Methods in the Applied Sciences"
DOI: 10.1002/mma.8806
Abstract: In this paper, we explore local dynamics with topological classifications, bifurcation analysis, and chaos control in a discrete‐time COVID‐19 epidemic model in the interior of ℝ+4$$ {\mathbb{R}}_{+}^4 $$ . It is explored that for all…
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Keywords:
time covid;
epidemic model;
covid epidemic;
discrete time ... See more keywords
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Published in 2024 at "Mathematical Methods in the Applied Sciences"
DOI: 10.1002/mma.9925
Abstract: In this paper, we introduce a new mathematical epidemic model with the effect of vaccination. We formulate a Susceptible‐High risk‐Infective‐Recovered‐Vaccinated (SHIRV) model in which the susceptible individuals with a higher probability of being infected (H)…
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Keywords:
stability analysis;
solution;
vaccination;
model ... See more keywords
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Published in 2024 at "Mathematical Methods in the Applied Sciences"
DOI: 10.1002/mma.9928
Abstract: This study delves into the intricate dynamics of the COVID‐19 epidemic by extending a deterministic compartmental model incorporating asymptomatic, quarantined and isolated compartments, with a stochastic model capturing the natural randomness of the processes. Traditional…
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Keywords:
model;
incorporating asymptomatic;
model incorporating;
isolated compartments ... See more keywords
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Published in 2018 at "Journal of Mathematical Biology"
DOI: 10.1007/s00285-018-1253-7
Abstract: In this paper, we formulate an age-structured epidemic model for the demographic transition in which we assume that the cultural norms leading to lower fertility are transmitted amongst individuals in the same way as infectious…
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Keywords:
model demographic;
age structured;
epidemic model;
model ... See more keywords
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Published in 2021 at "Journal of mathematical biology"
DOI: 10.1007/s00285-021-01703-1
Abstract: We present an SI epidemic model whereby a continuous structuring variable captures variability in proliferative potential and resistance to infection among susceptible individuals. The occurrence of heritable, spontaneous changes in these phenotypic characteristics and the…
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Keywords:
susceptible individuals;
resistance infection;
model;
proliferative potential ... See more keywords
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Published in 2018 at "Journal of Dynamics and Differential Equations"
DOI: 10.1007/s10884-016-9546-2
Abstract: In this paper, we study the time periodic traveling wave solutions for a periodic SIR epidemic model with diffusion and standard incidence. We establish the existence of periodic traveling waves by investigating the fixed points…
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Keywords:
time periodic;
sir epidemic;
traveling waves;
epidemic model ... See more keywords
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Published in 2021 at "Journal of Optimization Theory and Applications"
DOI: 10.1007/s10957-021-01830-1
Abstract: The aim of this article is to understand how to apply partial or total containment to SIR epidemic model during a given finite time interval in order to minimize the epidemic final size, that is…
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Keywords:
final size;
sir epidemic;
epidemic model;
social distancing ... See more keywords