Results 11 to 20 of about 286 (131)

Mathematical Analysis of the Monkeypox Epidemic With Infective Immigrants Using Real Data From Nigeria

open access: yesAbstract and Applied Analysis
MSC2020 Classification: 92D30, 37N25, 34D20, 92B05 ...
Philip N. A. Akuka   +2 more
doaj   +2 more sources

Complex dynamics of a four-species food-web model: An analysis through Beddington-DeAngelis functional response in the presence of additional food

open access: yesComputational and Mathematical Biophysics, 2023
The four-dimensional food-web system consisting of two prey species for a generalist middle predator and a top predator is proposed and investigated. The middle predator is predating over both the prey species with a modified Holling type-II functional ...
Rani Surbhi   +2 more
doaj   +1 more source

Mathematical analysis of a MERS-Cov coronavirus model

open access: yesDemonstratio Mathematica, 2022
In this study, we have proposed a mathematical model to describe the dynamics of the spread of Middle East Respiratory Syndrome disease. The model consists of six-coupled ordinary differential equations.
DarAssi Mahmoud H.   +2 more
doaj   +1 more source

Dynamics of two-species delayed competitive stage-structured model described by differential-difference equations

open access: yesOpen Mathematics, 2019
Overf the last few years, by utilizing Mawhin’s continuation theorem of coincidence degree theory and Lyapunov functional, many scholars have been concerned with the global asymptotical stability of positive periodic solutions for the non-linear ...
Han Sufang   +4 more
doaj   +1 more source

Cost-effective optimal control analysis of a COVID-19 transmission model incorporating community awareness and waning immunity

open access: yesComputational and Mathematical Biophysics, 2023
This article presents a cost-effective optimal control analysis of interventions applied to a S2EI2RS type deterministic compartmental model of COVID-19, considering community awareness and immunity loss. We introduce two time-dependent controls, namely,
Lamba Sonu, Srivastava Prashant K.
doaj   +1 more source

An eco-epidemiological model with predator switching behavior

open access: yesComputational and Mathematical Biophysics, 2023
Switching mechanism is adopted by predator populations when they are provided with two types of prey: susceptible and infected. In this study, we propose a modification of an eco-epidemiological model with the predator switching mechanism.
Tripathi Deepak, Singh Anuraj
doaj   +1 more source

Homoclinic and heteroclinic solutions to a hepatitis C evolution model

open access: yesOpen Mathematics, 2018
Homoclinic and heteroclinic solutions to a standard hepatitis C virus (HCV) evolution model described by T. C. Reluga, H. Dahari and A. S. Perelson, (SIAM J. Appl. Math., 69 (2009), pp. 999–1023) are considered in this paper.
Telksnys Tadas   +4 more
doaj   +1 more source

Modelling the Effects of Condom Use and Antiretroviral Therapy in Controlling HIV/AIDS among Heterosexuals, Homosexuals and Bisexuals

open access: yesComputational and Mathematical Methods in Medicine, Volume 11, Issue 3, Page 201-222, 2010., 2010
A deterministic compartmental sex‐structured HIV/AIDS model for assessing the effects of homosexuals and bisexuals in heterosexual settings in which homosexuality and bisexuality issues have remained taboo is presented. We extend the model to focus on the effects of condom use as a single strategy approach in HIV prevention in the absence of any other ...
Noble Malunguza   +3 more
wiley   +1 more source

Optimal Control of Vertically Transmitted Disease: An Integrated Approach

open access: yesComputational and Mathematical Methods in Medicine, Volume 11, Issue 4, Page 369-387, 2010., 2010
We study the dynamics of a disease under administration of a vaccine and antiviral drug, where the disease transmits directly from the parents to the offspring (vertical transmission) and also through contact with infective individuals (horizontal transmission).
Samit Bhattacharyya, Suma Ghosh
wiley   +1 more source

Mathematical Modelling of Immune Response in Tissues

open access: yesComputational and Mathematical Methods in Medicine, Volume 10, Issue 1, Page 9-38, 2009., 2009
We have developed a spatial–temporal mathematical model (PDE) to capture fundamental aspects of the immune response to antigen. We have considered terms that broadly describe intercellular communication, cell movement, and effector function (activation or inhibition).
B. Su   +3 more
wiley   +1 more source

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