Zobrazeno 1 - 10
of 109
pro vyhledávání: '"Karam Allali"'
Publikováno v:
Boletim da Sociedade Paranaense de Matemática, Vol 42 (2024)
With the current struggles of the world nowadays with several epidemics, modeling the dynamics of disease outbreaks has become much more important than any time before. In this context, the present paper aims at studying a stochastic hepatitis B viru
Externí odkaz:
https://doaj.org/article/92ba8bbb1e004782b671481c8ab80d4a
Publikováno v:
Partial Differential Equations in Applied Mathematics, Vol 8, Iss , Pp 100593- (2023)
In this paper, we will study a fractional-order SIR epidemic model with treatment cure rate. The paper starts with the investigation of some needed preliminaries related to fractional calculus. Next, we investigate the well-posedness of the fractiona
Externí odkaz:
https://doaj.org/article/deb9a63b058144dfb18899ca97d587be
Autor:
Chouaib Bounkaicha, Karam Allali
Publikováno v:
Partial Differential Equations in Applied Mathematics, Vol 7, Iss , Pp 100524- (2023)
The principal aim of this work it to study and analyze a spatio-temporal fractional Susceptible–Infected–Recovered SIRinfection model. We will assume vaccination of susceptible population as well as the temporary immunity of the recovered. The dy
Externí odkaz:
https://doaj.org/article/bcadf6067b2942af966d615a290eb9c2
Autor:
Zakaria Yaagoub, Karam Allali
Publikováno v:
Mathematical and Computational Applications, Vol 28, Iss 1, p 9 (2023)
A three-strain SEIR epidemic model with a vaccination strategy is suggested and studied in this work. This model is represented by a system of nine nonlinear ordinary differential equations that describe the interaction between susceptible individual
Externí odkaz:
https://doaj.org/article/6283c7faf3ae4abda1b2ec4e050ba00a
Autor:
Fatima Ezzahra Fikri, Karam Allali
Publikováno v:
Mathematical and Computational Applications, Vol 27, Iss 5, p 85 (2022)
The objective of this paper is to study a new mathematical model describing the human immunodeficiency virus (HIV). The model incorporates the impacts of cytotoxic T lymphocyte (CTL) immunity and antibodies with trilinear growth functions. The bounde
Externí odkaz:
https://doaj.org/article/115200d17989450a8d7d9a301f0b3b04
Autor:
Fatima Ezzahra Fikri, Karam Allali
Publikováno v:
Mathematical and Computational Applications, Vol 27, Iss 4, p 65 (2022)
The objective of this paper is to investigate a mathematical model describing the infection of hepatitis B virus (HBV) in intrahepatic and extrahepatic tissues. Additionally, the model includes the effect of the cytotoxic T cell (CTL) immunity, which
Externí odkaz:
https://doaj.org/article/63118083fb6e4791981bde1d20beb784
Publikováno v:
Results in Physics, Vol 23, Iss , Pp 103994- (2021)
This paper investigates the dynamics of a COVID-19 stochastic model with isolation strategy. The white noise as well as the Lévy jump perturbations are incorporated in all compartments of the suggested model. First, the existence and uniqueness of a
Externí odkaz:
https://doaj.org/article/5748c1277a2f499283e4a3e9c3ad340f
Publikováno v:
International Journal of Differential Equations, Vol 2021 (2021)
In this study, we are going to explore mathematically the dynamics of giving up smoking behavior. For this purpose, we will perform a mathematical analysis of a smoking model and suggest some conditions to control this serious burden on public health
Externí odkaz:
https://doaj.org/article/1e9f4ed9cb2541ff93a0f2b8a1be33d6
Publikováno v:
Journal of Applied Mathematics, Vol 2020 (2020)
In this paper, we study the resolution of a permutation flow shop problem with sequence-independent setup time. The objective is to minimize the maximum of job completion time, also called the makespan. In this contribution, we propose three methods
Externí odkaz:
https://doaj.org/article/856931718fd8408d8cd5d374c36f403e
Publikováno v:
Mathematics, Vol 8, Iss 1, p 52 (2020)
A mathematical model describing viral dynamics in the presence of the latently infected cells and the cytotoxic T-lymphocytes cells (CTL), taking into consideration the spatial mobility of free viruses, is presented and studied. The model includes fi
Externí odkaz:
https://doaj.org/article/2676cb457db44589a6fca40e0b34c607