Fuzzy Differential Sandwich Theorems Involving the Fractional Integral of Confluent Hypergeometric Function

The operator defined as the fractional integral of confluent hypergeometric function was introduced and studied in previously written papers in view of the classical theory of differential subordination. In this paper, the same operator is studied using concepts from the theory of fuzzy differential...

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Autor principal: Alina Alb Lupaş
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spelling oai:doaj.org-article:a2bbb5486b7d4c6a9ae80ede2d29a2172021-11-25T19:05:51ZFuzzy Differential Sandwich Theorems Involving the Fractional Integral of Confluent Hypergeometric Function10.3390/sym131119922073-8994https://doaj.org/article/a2bbb5486b7d4c6a9ae80ede2d29a2172021-10-01T00:00:00Zhttps://www.mdpi.com/2073-8994/13/11/1992https://doaj.org/toc/2073-8994The operator defined as the fractional integral of confluent hypergeometric function was introduced and studied in previously written papers in view of the classical theory of differential subordination. In this paper, the same operator is studied using concepts from the theory of fuzzy differential subordination and superordination. The original theorems contain fuzzy differential subordinations and superordinations for which the fuzzy best dominant and fuzzy best subordinant are given, respectively. Interesting corollaries are obtained for particular choices of the functions acting as fuzzy best dominant and fuzzy best subordinant. A nice sandwich-type theorem is stated combining the results given in two theorems proven in this paper using the two dual theories of fuzzy differential subordination and fuzzy differential superordination.Alina Alb LupaşMDPI AGarticleanalytic functionsdifferential operatorfuzzy differential subordinationfuzzy differential superordinationMathematicsQA1-939ENSymmetry, Vol 13, Iss 1992, p 1992 (2021)
institution DOAJ
collection DOAJ
language EN
topic analytic functions
differential operator
fuzzy differential subordination
fuzzy differential superordination
Mathematics
QA1-939
spellingShingle analytic functions
differential operator
fuzzy differential subordination
fuzzy differential superordination
Mathematics
QA1-939
Alina Alb Lupaş
Fuzzy Differential Sandwich Theorems Involving the Fractional Integral of Confluent Hypergeometric Function
description The operator defined as the fractional integral of confluent hypergeometric function was introduced and studied in previously written papers in view of the classical theory of differential subordination. In this paper, the same operator is studied using concepts from the theory of fuzzy differential subordination and superordination. The original theorems contain fuzzy differential subordinations and superordinations for which the fuzzy best dominant and fuzzy best subordinant are given, respectively. Interesting corollaries are obtained for particular choices of the functions acting as fuzzy best dominant and fuzzy best subordinant. A nice sandwich-type theorem is stated combining the results given in two theorems proven in this paper using the two dual theories of fuzzy differential subordination and fuzzy differential superordination.
format article
author Alina Alb Lupaş
author_facet Alina Alb Lupaş
author_sort Alina Alb Lupaş
title Fuzzy Differential Sandwich Theorems Involving the Fractional Integral of Confluent Hypergeometric Function
title_short Fuzzy Differential Sandwich Theorems Involving the Fractional Integral of Confluent Hypergeometric Function
title_full Fuzzy Differential Sandwich Theorems Involving the Fractional Integral of Confluent Hypergeometric Function
title_fullStr Fuzzy Differential Sandwich Theorems Involving the Fractional Integral of Confluent Hypergeometric Function
title_full_unstemmed Fuzzy Differential Sandwich Theorems Involving the Fractional Integral of Confluent Hypergeometric Function
title_sort fuzzy differential sandwich theorems involving the fractional integral of confluent hypergeometric function
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/a2bbb5486b7d4c6a9ae80ede2d29a217
work_keys_str_mv AT alinaalblupas fuzzydifferentialsandwichtheoremsinvolvingthefractionalintegralofconfluenthypergeometricfunction
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