Existence and Uniqueness of Some Unconventional Fractional Sturm–Liouville Equations

In this paper, we provide existence and uniqueness results for the initial value problems associated with mixed Riemann–Liouville/Caputo differential equations in the real domain. We show that, under appropriate conditions in a fractional order, solutions are always square-integrable on the finite i...

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Main Authors: Leila Gholizadeh Zivlaei, Angelo B. Mingarelli
Format: Article
Language:English
Published: MDPI AG 2024-03-01
Series:Fractal and Fractional
Subjects:
Online Access:https://www.mdpi.com/2504-3110/8/3/148
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author Leila Gholizadeh Zivlaei
Angelo B. Mingarelli
author_facet Leila Gholizadeh Zivlaei
Angelo B. Mingarelli
author_sort Leila Gholizadeh Zivlaei
collection DOAJ
description In this paper, we provide existence and uniqueness results for the initial value problems associated with mixed Riemann–Liouville/Caputo differential equations in the real domain. We show that, under appropriate conditions in a fractional order, solutions are always square-integrable on the finite interval under consideration. The results are valid for equations that have sign-indefinite leading terms and measurable coefficients. Existence and uniqueness theorem results are also provided for two-point boundary value problems in a closed interval.
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spelling doaj.art-f3b589f7a2704327a5f64ccdd348698b2024-03-27T13:42:04ZengMDPI AGFractal and Fractional2504-31102024-03-018314810.3390/fractalfract8030148Existence and Uniqueness of Some Unconventional Fractional Sturm–Liouville EquationsLeila Gholizadeh Zivlaei0Angelo B. Mingarelli1School of Mathematics and Statistics, Carleton University, Ottawa, ON K1S 5B6, CanadaSchool of Mathematics and Statistics, Carleton University, Ottawa, ON K1S 5B6, CanadaIn this paper, we provide existence and uniqueness results for the initial value problems associated with mixed Riemann–Liouville/Caputo differential equations in the real domain. We show that, under appropriate conditions in a fractional order, solutions are always square-integrable on the finite interval under consideration. The results are valid for equations that have sign-indefinite leading terms and measurable coefficients. Existence and uniqueness theorem results are also provided for two-point boundary value problems in a closed interval.https://www.mdpi.com/2504-3110/8/3/148Riemann–LiouvilleCaputoSturm–Liouvillefractionalexistenceuniqueness
spellingShingle Leila Gholizadeh Zivlaei
Angelo B. Mingarelli
Existence and Uniqueness of Some Unconventional Fractional Sturm–Liouville Equations
Fractal and Fractional
Riemann–Liouville
Caputo
Sturm–Liouville
fractional
existence
uniqueness
title Existence and Uniqueness of Some Unconventional Fractional Sturm–Liouville Equations
title_full Existence and Uniqueness of Some Unconventional Fractional Sturm–Liouville Equations
title_fullStr Existence and Uniqueness of Some Unconventional Fractional Sturm–Liouville Equations
title_full_unstemmed Existence and Uniqueness of Some Unconventional Fractional Sturm–Liouville Equations
title_short Existence and Uniqueness of Some Unconventional Fractional Sturm–Liouville Equations
title_sort existence and uniqueness of some unconventional fractional sturm liouville equations
topic Riemann–Liouville
Caputo
Sturm–Liouville
fractional
existence
uniqueness
url https://www.mdpi.com/2504-3110/8/3/148
work_keys_str_mv AT leilagholizadehzivlaei existenceanduniquenessofsomeunconventionalfractionalsturmliouvilleequations
AT angelobmingarelli existenceanduniquenessofsomeunconventionalfractionalsturmliouvilleequations