On the asymptotic behavior of nonoscillatory solutions of certain fractional differential equations with positive and negative terms

This paper is concerned with the asymptotic behavior of the nonoscillatory solutions of the forced fractional differential equation with positive and negative terms of the form \[^{C}D_{c}^{\alpha}y(t)+f(t,x(t))=e(t)+k(t)x^{\eta}(t)+h(t,x(t)),\] where \(t\geq c \geq 1\), \(\alpha \in (0,1)\), \(\eta...

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Main Authors: John R. Graef, Said R. Grace, Ercan Tunç
Format: Article
Language:English
Published: AGH Univeristy of Science and Technology Press 2020-03-01
Series:Opuscula Mathematica
Subjects:
Online Access:https://www.opuscula.agh.edu.pl/vol40/2/art/opuscula_math_4012.pdf
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author John R. Graef
Said R. Grace
Ercan Tunç
author_facet John R. Graef
Said R. Grace
Ercan Tunç
author_sort John R. Graef
collection DOAJ
description This paper is concerned with the asymptotic behavior of the nonoscillatory solutions of the forced fractional differential equation with positive and negative terms of the form \[^{C}D_{c}^{\alpha}y(t)+f(t,x(t))=e(t)+k(t)x^{\eta}(t)+h(t,x(t)),\] where \(t\geq c \geq 1\), \(\alpha \in (0,1)\), \(\eta \geq 1\) is the ratio of positive odd integers, and \(^{C}D_{c}^{\alpha}y\) denotes the Caputo fractional derivative of \(y\) of order \(\alpha\). The cases \[y(t)=(a(t)(x^{\prime}(t))^{\eta})^{\prime} \quad \text{and} \quad y(t)=a(t)(x^{\prime}(t))^{\eta}\] are considered. The approach taken here can be applied to other related fractional differential equations. Examples are provided to illustrate the relevance of the results obtained.
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spelling doaj.art-d778264831474e56b02099a2ef3eab3a2022-12-21T22:25:34ZengAGH Univeristy of Science and Technology PressOpuscula Mathematica1232-92742020-03-01402227239https://doi.org/10.7494/OpMath.2020.40.2.2274012On the asymptotic behavior of nonoscillatory solutions of certain fractional differential equations with positive and negative termsJohn R. Graef0https://orcid.org/0000-0002-8149-4633Said R. Grace1https://orcid.org/0000-0001-8783-5227Ercan Tunç2https://orcid.org/0000-0001-8860-608XUniversity of Tennessee at Chattanooga, Department of Mathematics, Chattanooga, TN 37403, USACairo University, Faculty of Engineering, Department of Engineering Mathematics, Orman, Giza 12221, EgyptGaziosmanpasa University, Department of Mathematics, Faculty of Arts and Sciences, 60240, Tokat, TurkeyThis paper is concerned with the asymptotic behavior of the nonoscillatory solutions of the forced fractional differential equation with positive and negative terms of the form \[^{C}D_{c}^{\alpha}y(t)+f(t,x(t))=e(t)+k(t)x^{\eta}(t)+h(t,x(t)),\] where \(t\geq c \geq 1\), \(\alpha \in (0,1)\), \(\eta \geq 1\) is the ratio of positive odd integers, and \(^{C}D_{c}^{\alpha}y\) denotes the Caputo fractional derivative of \(y\) of order \(\alpha\). The cases \[y(t)=(a(t)(x^{\prime}(t))^{\eta})^{\prime} \quad \text{and} \quad y(t)=a(t)(x^{\prime}(t))^{\eta}\] are considered. The approach taken here can be applied to other related fractional differential equations. Examples are provided to illustrate the relevance of the results obtained.https://www.opuscula.agh.edu.pl/vol40/2/art/opuscula_math_4012.pdfintegro-differential equationsfractional differential equationsnonoscillatory solutionsboundednesscaputo derivative
spellingShingle John R. Graef
Said R. Grace
Ercan Tunç
On the asymptotic behavior of nonoscillatory solutions of certain fractional differential equations with positive and negative terms
Opuscula Mathematica
integro-differential equations
fractional differential equations
nonoscillatory solutions
boundedness
caputo derivative
title On the asymptotic behavior of nonoscillatory solutions of certain fractional differential equations with positive and negative terms
title_full On the asymptotic behavior of nonoscillatory solutions of certain fractional differential equations with positive and negative terms
title_fullStr On the asymptotic behavior of nonoscillatory solutions of certain fractional differential equations with positive and negative terms
title_full_unstemmed On the asymptotic behavior of nonoscillatory solutions of certain fractional differential equations with positive and negative terms
title_short On the asymptotic behavior of nonoscillatory solutions of certain fractional differential equations with positive and negative terms
title_sort on the asymptotic behavior of nonoscillatory solutions of certain fractional differential equations with positive and negative terms
topic integro-differential equations
fractional differential equations
nonoscillatory solutions
boundedness
caputo derivative
url https://www.opuscula.agh.edu.pl/vol40/2/art/opuscula_math_4012.pdf
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