On The Third-Order Complex Differential Inequalities of <i>ξ</i>-Generalized-Hurwitz–Lerch Zeta Functions

In the z- domain, differential subordination is a complex technique of geometric function theory based on the idea of differential inequality. It has formulas in terms of the first, second and third derivatives. In this study, we introduce some applications of the third-order differential subordinat...

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Main Authors: Hiba Al-Janaby, Firas Ghanim, Maslina Darus
Format: Article
Language:English
Published: MDPI AG 2020-05-01
Series:Mathematics
Subjects:
Online Access:https://www.mdpi.com/2227-7390/8/5/845
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author Hiba Al-Janaby
Firas Ghanim
Maslina Darus
author_facet Hiba Al-Janaby
Firas Ghanim
Maslina Darus
author_sort Hiba Al-Janaby
collection DOAJ
description In the z- domain, differential subordination is a complex technique of geometric function theory based on the idea of differential inequality. It has formulas in terms of the first, second and third derivatives. In this study, we introduce some applications of the third-order differential subordination for a newly defined linear operator that includes <inline-formula> <math display="inline"> <semantics> <mi>ξ</mi> </semantics> </math> </inline-formula>-Generalized-Hurwitz–Lerch Zeta functions (GHLZF). These outcomes are derived by investigating the appropriate classes of admissible functions.
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spelling doaj.art-0db092fdd6794e9f9fb2be8551c8ef422023-11-20T01:28:22ZengMDPI AGMathematics2227-73902020-05-018584510.3390/math8050845On The Third-Order Complex Differential Inequalities of <i>ξ</i>-Generalized-Hurwitz–Lerch Zeta FunctionsHiba Al-Janaby0Firas Ghanim1Maslina Darus2Department of Mathematics, College of Science, University of Baghdad, Baghdad 10071, IraqDepartment of Mathematics, College of Science, University of Sharjah, Sharjah, UAEDepartment of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, MalaysiaIn the z- domain, differential subordination is a complex technique of geometric function theory based on the idea of differential inequality. It has formulas in terms of the first, second and third derivatives. In this study, we introduce some applications of the third-order differential subordination for a newly defined linear operator that includes <inline-formula> <math display="inline"> <semantics> <mi>ξ</mi> </semantics> </math> </inline-formula>-Generalized-Hurwitz–Lerch Zeta functions (GHLZF). These outcomes are derived by investigating the appropriate classes of admissible functions.https://www.mdpi.com/2227-7390/8/5/845holomorphic functionunivalent function<i>p</i>-valent functionconvolution product<i>ξ</i>-Generalized Hurwitz–Lerch Zeta functiondifferential subordination
spellingShingle Hiba Al-Janaby
Firas Ghanim
Maslina Darus
On The Third-Order Complex Differential Inequalities of <i>ξ</i>-Generalized-Hurwitz–Lerch Zeta Functions
Mathematics
holomorphic function
univalent function
<i>p</i>-valent function
convolution product
<i>ξ</i>-Generalized Hurwitz–Lerch Zeta function
differential subordination
title On The Third-Order Complex Differential Inequalities of <i>ξ</i>-Generalized-Hurwitz–Lerch Zeta Functions
title_full On The Third-Order Complex Differential Inequalities of <i>ξ</i>-Generalized-Hurwitz–Lerch Zeta Functions
title_fullStr On The Third-Order Complex Differential Inequalities of <i>ξ</i>-Generalized-Hurwitz–Lerch Zeta Functions
title_full_unstemmed On The Third-Order Complex Differential Inequalities of <i>ξ</i>-Generalized-Hurwitz–Lerch Zeta Functions
title_short On The Third-Order Complex Differential Inequalities of <i>ξ</i>-Generalized-Hurwitz–Lerch Zeta Functions
title_sort on the third order complex differential inequalities of i ξ i generalized hurwitz lerch zeta functions
topic holomorphic function
univalent function
<i>p</i>-valent function
convolution product
<i>ξ</i>-Generalized Hurwitz–Lerch Zeta function
differential subordination
url https://www.mdpi.com/2227-7390/8/5/845
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