Well-posedness and regularity of some stochastic time-fractional integral equations in Hilbert space

In the current work, we deal with a class of stochastic time-fractional integral equations in Hilbert space by studying their well-posedness and regularity. Precisely, we use the celebrity fixed point theorem to prove the well-posedness of the problem by imposing the global Lipschitz and the linear...

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Main Authors: Zineb Arab, Cemil Tunç
Format: Article
Language:English
Published: Taylor & Francis Group 2022-12-01
Series:Journal of Taibah University for Science
Subjects:
Online Access:https://www.tandfonline.com/doi/10.1080/16583655.2022.2119587
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author Zineb Arab
Cemil Tunç
author_facet Zineb Arab
Cemil Tunç
author_sort Zineb Arab
collection DOAJ
description In the current work, we deal with a class of stochastic time-fractional integral equations in Hilbert space by studying their well-posedness and regularity. Precisely, we use the celebrity fixed point theorem to prove the well-posedness of the problem by imposing the global Lipschitz and the linear growth conditions. Further, we prove the spatial and temporal regularity by imposing only a regularity condition on the initial value. An important example is considered in order to confirm and support the validity of our theoretical results.
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spelling doaj.art-1555c360ef554dfa86905c45e49a42912022-12-22T04:24:57ZengTaylor & Francis GroupJournal of Taibah University for Science1658-36552022-12-0116178879810.1080/16583655.2022.2119587Well-posedness and regularity of some stochastic time-fractional integral equations in Hilbert spaceZineb Arab0Cemil Tunç1Department of Chemistry, Faculty of Material sciences, Batna 1 University, Batna, AlgeriaDepartment of Mathematics, Faculty of Sciences, Van Yuzuncu Yil University, Van, TurkeyIn the current work, we deal with a class of stochastic time-fractional integral equations in Hilbert space by studying their well-posedness and regularity. Precisely, we use the celebrity fixed point theorem to prove the well-posedness of the problem by imposing the global Lipschitz and the linear growth conditions. Further, we prove the spatial and temporal regularity by imposing only a regularity condition on the initial value. An important example is considered in order to confirm and support the validity of our theoretical results.https://www.tandfonline.com/doi/10.1080/16583655.2022.2119587Integral equationsRiemann–Liouville integral operatorcylindrical Wiener processfixed point theoremspatial regularitytemporal regularity
spellingShingle Zineb Arab
Cemil Tunç
Well-posedness and regularity of some stochastic time-fractional integral equations in Hilbert space
Journal of Taibah University for Science
Integral equations
Riemann–Liouville integral operator
cylindrical Wiener process
fixed point theorem
spatial regularity
temporal regularity
title Well-posedness and regularity of some stochastic time-fractional integral equations in Hilbert space
title_full Well-posedness and regularity of some stochastic time-fractional integral equations in Hilbert space
title_fullStr Well-posedness and regularity of some stochastic time-fractional integral equations in Hilbert space
title_full_unstemmed Well-posedness and regularity of some stochastic time-fractional integral equations in Hilbert space
title_short Well-posedness and regularity of some stochastic time-fractional integral equations in Hilbert space
title_sort well posedness and regularity of some stochastic time fractional integral equations in hilbert space
topic Integral equations
Riemann–Liouville integral operator
cylindrical Wiener process
fixed point theorem
spatial regularity
temporal regularity
url https://www.tandfonline.com/doi/10.1080/16583655.2022.2119587
work_keys_str_mv AT zinebarab wellposednessandregularityofsomestochastictimefractionalintegralequationsinhilbertspace
AT cemiltunc wellposednessandregularityofsomestochastictimefractionalintegralequationsinhilbertspace