Generalized fractional calculus in Banach spaces and applications to existence results for boundary value problems

Abstract In this paper, we present the definitions of fractional integrals and fractional derivatives of a Pettis integrable function with respect to another function. This concept follows the idea of Stieltjes-type operators and should allow us to study fractional integrals using methods known from...

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Main Authors: Hussein A. H. Salem, Mieczysław Cichoń, Wafa Shammakh
Format: Article
Language:English
Published: SpringerOpen 2023-05-01
Series:Boundary Value Problems
Subjects:
Online Access:https://doi.org/10.1186/s13661-023-01745-y
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author Hussein A. H. Salem
Mieczysław Cichoń
Wafa Shammakh
author_facet Hussein A. H. Salem
Mieczysław Cichoń
Wafa Shammakh
author_sort Hussein A. H. Salem
collection DOAJ
description Abstract In this paper, we present the definitions of fractional integrals and fractional derivatives of a Pettis integrable function with respect to another function. This concept follows the idea of Stieltjes-type operators and should allow us to study fractional integrals using methods known from measure differential equations in abstract spaces. We will show that some of the well-known properties of fractional calculus for the space of Lebesgue integrable functions also hold true in abstract function spaces. In particular, we prove a general Goebel–Rzymowski lemma for the De Blasi measure of weak noncompactness and our fractional integrals. We suggest a new definition of the Caputo fractional derivative with respect to another function, which allows us to investigate the existence of solutions to some Caputo-type fractional boundary value problems. As we deal with some Pettis integrable functions, the main tool utilized in our considerations is based on the technique of measures of weak noncompactness and Mönch’s fixed-point theorem. Finally, to encompass the full scope of this research, some examples illustrating our main results are given.
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spelling doaj.art-f2e31c2edc334f6395dc7d1c25a37cb62023-05-28T11:23:18ZengSpringerOpenBoundary Value Problems1687-27702023-05-012023113010.1186/s13661-023-01745-yGeneralized fractional calculus in Banach spaces and applications to existence results for boundary value problemsHussein A. H. Salem0Mieczysław Cichoń1Wafa Shammakh2Department of Mathematics and Computer Science, Faculty of Sciences, Alexandria UniversityFaculty of Mathematics and Computer Science, Adam Mickiewicz UniversityCollege of Science, Department of Mathematics, University of JeddahAbstract In this paper, we present the definitions of fractional integrals and fractional derivatives of a Pettis integrable function with respect to another function. This concept follows the idea of Stieltjes-type operators and should allow us to study fractional integrals using methods known from measure differential equations in abstract spaces. We will show that some of the well-known properties of fractional calculus for the space of Lebesgue integrable functions also hold true in abstract function spaces. In particular, we prove a general Goebel–Rzymowski lemma for the De Blasi measure of weak noncompactness and our fractional integrals. We suggest a new definition of the Caputo fractional derivative with respect to another function, which allows us to investigate the existence of solutions to some Caputo-type fractional boundary value problems. As we deal with some Pettis integrable functions, the main tool utilized in our considerations is based on the technique of measures of weak noncompactness and Mönch’s fixed-point theorem. Finally, to encompass the full scope of this research, some examples illustrating our main results are given.https://doi.org/10.1186/s13661-023-01745-yFractional integralBoundary value problemsOrlicz spacePettis integral
spellingShingle Hussein A. H. Salem
Mieczysław Cichoń
Wafa Shammakh
Generalized fractional calculus in Banach spaces and applications to existence results for boundary value problems
Boundary Value Problems
Fractional integral
Boundary value problems
Orlicz space
Pettis integral
title Generalized fractional calculus in Banach spaces and applications to existence results for boundary value problems
title_full Generalized fractional calculus in Banach spaces and applications to existence results for boundary value problems
title_fullStr Generalized fractional calculus in Banach spaces and applications to existence results for boundary value problems
title_full_unstemmed Generalized fractional calculus in Banach spaces and applications to existence results for boundary value problems
title_short Generalized fractional calculus in Banach spaces and applications to existence results for boundary value problems
title_sort generalized fractional calculus in banach spaces and applications to existence results for boundary value problems
topic Fractional integral
Boundary value problems
Orlicz space
Pettis integral
url https://doi.org/10.1186/s13661-023-01745-y
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AT wafashammakh generalizedfractionalcalculusinbanachspacesandapplicationstoexistenceresultsforboundaryvalueproblems