Coefficient Inequalities for a Subclass of Symmetric q -Starlike Functions Involving Certain Conic Domains

Mohammad Faisal Khan, Nazar Khan, Serkan Araci, Shahid Khan, Bilal Khan and Xiaolong Qin

Journal of Mathematics, 2022, vol. 2022, 1-15

Abstract: In this paper, we make use of a certain Ruscheweyh-type q -differential operator to introduce and study a new subclass of q -starlike symmetric functions, which are associated with conic domains and the well-known celebrated Janowski functions in D. We then investigate many properties for the newly defined functions class, including for example coefficients inequalities, the Fekete–Szegö Problems, and a sufficient condition. There are also relevant connections between the results provided in this study and those in a number of other published articles on this subject.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jjmath:9446672

DOI: 10.1155/2022/9446672

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