Numerical Analysis for a Fractional Differential Time-Delay Model of HIV Infection of CD4+ T-Cell Proliferation under Antiretroviral Therapy

We study a fractional differential model of HIV infection of CD4+ T-cell, in which the CD4+ T-cell proliferation plays an important role in HIV infection under antiretroviral therapy. An appropriate method is given to ensure that both the equilibria are asymptotically stable for τ≥0. We calculate th...

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Main Authors: Yiliang Liu, Peifen Lu, Ivan Szanto
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/2014/291614
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author Yiliang Liu
Peifen Lu
Ivan Szanto
author_facet Yiliang Liu
Peifen Lu
Ivan Szanto
author_sort Yiliang Liu
collection DOAJ
description We study a fractional differential model of HIV infection of CD4+ T-cell, in which the CD4+ T-cell proliferation plays an important role in HIV infection under antiretroviral therapy. An appropriate method is given to ensure that both the equilibria are asymptotically stable for τ≥0. We calculate the basic reproduction number R0, the IFE E0, two IPEs E1* and E2*, and so on, and judge the stability of the equilibrium. In addition, we describe the dynamic behaviors of the fractional HIV model by using the Adams-type predictor-corrector method algorithm. At last, we extend the model to incorporate the term which we consider the loss of virion and a bilinear term during attacking the target cells.
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spelling doaj-art-ed0e8ee954754c96a16bb71e296ec59d2025-02-03T01:20:04ZengWileyAbstract and Applied Analysis1085-33751687-04092014-01-01201410.1155/2014/291614291614Numerical Analysis for a Fractional Differential Time-Delay Model of HIV Infection of CD4+ T-Cell Proliferation under Antiretroviral TherapyYiliang Liu0Peifen Lu1Ivan Szanto2College of Sciences, Guangxi University for Nationalities, Nanning, Guangxi 530006, ChinaCollege of Sciences, Guangxi University for Nationalities, Nanning, Guangxi 530006, ChinaDepartamento de Matematica, Universidad Tecnica Federico Santa Maria, Casilla 110-V, Valparaiso, ChileWe study a fractional differential model of HIV infection of CD4+ T-cell, in which the CD4+ T-cell proliferation plays an important role in HIV infection under antiretroviral therapy. An appropriate method is given to ensure that both the equilibria are asymptotically stable for τ≥0. We calculate the basic reproduction number R0, the IFE E0, two IPEs E1* and E2*, and so on, and judge the stability of the equilibrium. In addition, we describe the dynamic behaviors of the fractional HIV model by using the Adams-type predictor-corrector method algorithm. At last, we extend the model to incorporate the term which we consider the loss of virion and a bilinear term during attacking the target cells.http://dx.doi.org/10.1155/2014/291614
spellingShingle Yiliang Liu
Peifen Lu
Ivan Szanto
Numerical Analysis for a Fractional Differential Time-Delay Model of HIV Infection of CD4+ T-Cell Proliferation under Antiretroviral Therapy
Abstract and Applied Analysis
title Numerical Analysis for a Fractional Differential Time-Delay Model of HIV Infection of CD4+ T-Cell Proliferation under Antiretroviral Therapy
title_full Numerical Analysis for a Fractional Differential Time-Delay Model of HIV Infection of CD4+ T-Cell Proliferation under Antiretroviral Therapy
title_fullStr Numerical Analysis for a Fractional Differential Time-Delay Model of HIV Infection of CD4+ T-Cell Proliferation under Antiretroviral Therapy
title_full_unstemmed Numerical Analysis for a Fractional Differential Time-Delay Model of HIV Infection of CD4+ T-Cell Proliferation under Antiretroviral Therapy
title_short Numerical Analysis for a Fractional Differential Time-Delay Model of HIV Infection of CD4+ T-Cell Proliferation under Antiretroviral Therapy
title_sort numerical analysis for a fractional differential time delay model of hiv infection of cd4 t cell proliferation under antiretroviral therapy
url http://dx.doi.org/10.1155/2014/291614
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AT ivanszanto numericalanalysisforafractionaldifferentialtimedelaymodelofhivinfectionofcd4tcellproliferationunderantiretroviraltherapy