A Comprehensive Family of Biunivalent Functions Defined by k-Fibonacci Numbers

By using k-Fibonacci numbers, we present a comprehensive family of regular and biunivalent functions of the type gz=z+∑j=2∞ djzj in the open unit disc D. We estimate the upper bounds on initial coefficients and also the functional of Fekete-Szegö for functions in this family. We also discuss few int...

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Main Authors: Basem Aref Frasin, Sondekola Rudra Swamy, Ibtisam Aldawish
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Journal of Function Spaces
Online Access:http://dx.doi.org/10.1155/2021/4249509
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author Basem Aref Frasin
Sondekola Rudra Swamy
Ibtisam Aldawish
author_facet Basem Aref Frasin
Sondekola Rudra Swamy
Ibtisam Aldawish
author_sort Basem Aref Frasin
collection DOAJ
description By using k-Fibonacci numbers, we present a comprehensive family of regular and biunivalent functions of the type gz=z+∑j=2∞ djzj in the open unit disc D. We estimate the upper bounds on initial coefficients and also the functional of Fekete-Szegö for functions in this family. We also discuss few interesting observations and provide relevant connections of the result investigated.
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institution Kabale University
issn 2314-8888
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series Journal of Function Spaces
spelling doaj-art-0a5d77a4fd384a09bd8f62cffee635932025-02-03T06:44:03ZengWileyJournal of Function Spaces2314-88882021-01-01202110.1155/2021/4249509A Comprehensive Family of Biunivalent Functions Defined by k-Fibonacci NumbersBasem Aref Frasin0Sondekola Rudra Swamy1Ibtisam Aldawish2Faculty of ScienceDepartment of Computer Science and EngineeringDepartment of Mathematics and StatisticsBy using k-Fibonacci numbers, we present a comprehensive family of regular and biunivalent functions of the type gz=z+∑j=2∞ djzj in the open unit disc D. We estimate the upper bounds on initial coefficients and also the functional of Fekete-Szegö for functions in this family. We also discuss few interesting observations and provide relevant connections of the result investigated.http://dx.doi.org/10.1155/2021/4249509
spellingShingle Basem Aref Frasin
Sondekola Rudra Swamy
Ibtisam Aldawish
A Comprehensive Family of Biunivalent Functions Defined by k-Fibonacci Numbers
Journal of Function Spaces
title A Comprehensive Family of Biunivalent Functions Defined by k-Fibonacci Numbers
title_full A Comprehensive Family of Biunivalent Functions Defined by k-Fibonacci Numbers
title_fullStr A Comprehensive Family of Biunivalent Functions Defined by k-Fibonacci Numbers
title_full_unstemmed A Comprehensive Family of Biunivalent Functions Defined by k-Fibonacci Numbers
title_short A Comprehensive Family of Biunivalent Functions Defined by k-Fibonacci Numbers
title_sort comprehensive family of biunivalent functions defined by k fibonacci numbers
url http://dx.doi.org/10.1155/2021/4249509
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