On a Generalized Convolution Operator

Recently in the paper [<i>Mediterr. J. Math.</i> <b>2016</b>, <i>13</i>, 1535–1553], the authors introduced and studied a new operator which was defined as a convolution of the three popular linear operators, namely the Sǎlǎgean operator, the Ruscheweyh operator a...

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Autores principales: Poonam Sharma, Ravinder Krishna Raina, Janusz Sokół
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Publicado: MDPI AG 2021
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Acceso en línea:https://doaj.org/article/c0c6bf68178341ab84b3bd666ea10c24
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spelling oai:doaj.org-article:c0c6bf68178341ab84b3bd666ea10c242021-11-25T19:07:05ZOn a Generalized Convolution Operator10.3390/sym131121412073-8994https://doaj.org/article/c0c6bf68178341ab84b3bd666ea10c242021-11-01T00:00:00Zhttps://www.mdpi.com/2073-8994/13/11/2141https://doaj.org/toc/2073-8994Recently in the paper [<i>Mediterr. J. Math.</i> <b>2016</b>, <i>13</i>, 1535–1553], the authors introduced and studied a new operator which was defined as a convolution of the three popular linear operators, namely the Sǎlǎgean operator, the Ruscheweyh operator and a fractional derivative operator. In the present paper, we consider an operator which is a convolution operator of only two linear operators (with lesser restricted parameters) that yield various well-known operators, defined by a symmetric way, including the one studied in the above-mentioned paper. Several results on the subordination of analytic functions to this operator (defined below) are investigated. Some of the results presented are shown to involve the familiar Appell function and Hurwitz–Lerch Zeta function. Special cases and interesting consequences being in symmetry of our main results are also mentioned.Poonam SharmaRavinder Krishna RainaJanusz SokółMDPI AGarticleanalytic functionsconvolutionsubordinationconvex functionsMathematicsQA1-939ENSymmetry, Vol 13, Iss 2141, p 2141 (2021)
institution DOAJ
collection DOAJ
language EN
topic analytic functions
convolution
subordination
convex functions
Mathematics
QA1-939
spellingShingle analytic functions
convolution
subordination
convex functions
Mathematics
QA1-939
Poonam Sharma
Ravinder Krishna Raina
Janusz Sokół
On a Generalized Convolution Operator
description Recently in the paper [<i>Mediterr. J. Math.</i> <b>2016</b>, <i>13</i>, 1535–1553], the authors introduced and studied a new operator which was defined as a convolution of the three popular linear operators, namely the Sǎlǎgean operator, the Ruscheweyh operator and a fractional derivative operator. In the present paper, we consider an operator which is a convolution operator of only two linear operators (with lesser restricted parameters) that yield various well-known operators, defined by a symmetric way, including the one studied in the above-mentioned paper. Several results on the subordination of analytic functions to this operator (defined below) are investigated. Some of the results presented are shown to involve the familiar Appell function and Hurwitz–Lerch Zeta function. Special cases and interesting consequences being in symmetry of our main results are also mentioned.
format article
author Poonam Sharma
Ravinder Krishna Raina
Janusz Sokół
author_facet Poonam Sharma
Ravinder Krishna Raina
Janusz Sokół
author_sort Poonam Sharma
title On a Generalized Convolution Operator
title_short On a Generalized Convolution Operator
title_full On a Generalized Convolution Operator
title_fullStr On a Generalized Convolution Operator
title_full_unstemmed On a Generalized Convolution Operator
title_sort on a generalized convolution operator
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/c0c6bf68178341ab84b3bd666ea10c24
work_keys_str_mv AT poonamsharma onageneralizedconvolutionoperator
AT ravinderkrishnaraina onageneralizedconvolutionoperator
AT januszsokoł onageneralizedconvolutionoperator
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