Zalcman Functional and Majorization Results for Certain Subfamilies of Holomorphic Functionsopen access
- Authors
- Khan, Muhammad Ghafar; Khan, Bilal; Tawfiq, Ferdous M. O.; Ro, Jong-Suk
- Issue Date
- Sep-2023
- Publisher
- Multidisciplinary Digital Publishing Institute (MDPI)
- Keywords
- majorization; olomorphic functions; tangent domain; Zalcman functional
- Citation
- Axioms, v.12, no.9
- Journal Title
- Axioms
- Volume
- 12
- Number
- 9
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/68337
- DOI
- 10.3390/axioms12090868
- ISSN
- 2075-1680
2075-1680
- Abstract
- In this paper, we investigate sharp coefficient functionals, like initial four sharp coefficient bounds, sharp Fekete–Szegö functionals, and, for (Formula presented.) and 2, sharp Zalcman functionals are evaluated for class of functions associated with tangent functions. Furthermore, we provide some majorization results for some non-vanishing holomorphic functions, whose ratios are related to various domains in the open unit disk. © 2023 by the authors.
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