An Application of Sălăgean Operator Concerning Starlike Functions

As an application of the well-known Sălăgean differential operator, a new operator is introduced and, using this, a new class of functions <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi...

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Main Authors: Hatun Özlem Güney, Georgia Irina Oros, Shigeyoshi Owa
Format: Article
Language:English
Published: MDPI AG 2022-01-01
Series:Axioms
Subjects:
Online Access:https://www.mdpi.com/2075-1680/11/2/50
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author Hatun Özlem Güney
Georgia Irina Oros
Shigeyoshi Owa
author_facet Hatun Özlem Güney
Georgia Irina Oros
Shigeyoshi Owa
author_sort Hatun Özlem Güney
collection DOAJ
description As an application of the well-known Sălăgean differential operator, a new operator is introduced and, using this, a new class of functions <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi>S</mi><mi>n</mi></msub><mrow><mo>(</mo><mi>α</mi><mo>)</mo></mrow></mrow></semantics></math></inline-formula> is defined, which has the classes of starlike and convex functions of order <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>α</mi></semantics></math></inline-formula> as special cases. Original results related to the newly defined class are obtained using the renowned Jack–Miller–Mocanu lemma. A relevant example is given regarding the applications of a new proven result concerning interesting properties of class <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi>S</mi><mi>n</mi></msub><mrow><mo>(</mo><mi>α</mi><mo>)</mo></mrow></mrow></semantics></math></inline-formula>.
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spelling doaj.art-2b7aeb80268d4d5cb66aa2e54905af8a2023-11-23T18:46:51ZengMDPI AGAxioms2075-16802022-01-011125010.3390/axioms11020050An Application of Sălăgean Operator Concerning Starlike FunctionsHatun Özlem Güney0Georgia Irina Oros1Shigeyoshi Owa2Department of Mathematics, Faculty of Science Dicle University, Diyarbakır 21280, TurkeyDepartment of Mathematics and Computer Sciences, Faculty of Informatics and Sciences, University of Oradea, 410087 Oradea, Romania“1 Decembrie 1918” University of Alba Iulia, 510009 Alba Iulia, RomaniaAs an application of the well-known Sălăgean differential operator, a new operator is introduced and, using this, a new class of functions <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi>S</mi><mi>n</mi></msub><mrow><mo>(</mo><mi>α</mi><mo>)</mo></mrow></mrow></semantics></math></inline-formula> is defined, which has the classes of starlike and convex functions of order <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>α</mi></semantics></math></inline-formula> as special cases. Original results related to the newly defined class are obtained using the renowned Jack–Miller–Mocanu lemma. A relevant example is given regarding the applications of a new proven result concerning interesting properties of class <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi>S</mi><mi>n</mi></msub><mrow><mo>(</mo><mi>α</mi><mo>)</mo></mrow></mrow></semantics></math></inline-formula>.https://www.mdpi.com/2075-1680/11/2/50analytic functionstarlike function of order αconvex function of order αSălăgean differential operatorAlexander integral operator
spellingShingle Hatun Özlem Güney
Georgia Irina Oros
Shigeyoshi Owa
An Application of Sălăgean Operator Concerning Starlike Functions
Axioms
analytic function
starlike function of order α
convex function of order α
Sălăgean differential operator
Alexander integral operator
title An Application of Sălăgean Operator Concerning Starlike Functions
title_full An Application of Sălăgean Operator Concerning Starlike Functions
title_fullStr An Application of Sălăgean Operator Concerning Starlike Functions
title_full_unstemmed An Application of Sălăgean Operator Concerning Starlike Functions
title_short An Application of Sălăgean Operator Concerning Starlike Functions
title_sort application of salagean operator concerning starlike functions
topic analytic function
starlike function of order α
convex function of order α
Sălăgean differential operator
Alexander integral operator
url https://www.mdpi.com/2075-1680/11/2/50
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