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Integral transforms for logharmonic mappings.

Authors :
Arbeláez, Hugo
Bravo, Víctor
Hernández, Rodrigo
Sierra, Willy
Venegas, Osvaldo
Source :
Journal of Inequalities & Applications. 3/9/2021, Vol. 2021 Issue 1, p1-15. 15p.
Publication Year :
2021

Abstract

Bieberbach's conjecture was very important in the development of geometric function theory, not only because of the result itself, but also due to the large amount of methods that have been developed in search of its proof. It is in this context that the integral transformations of the type f α (z) = ∫ 0 z (f (ζ) / ζ) α d ζ or F α (z) = ∫ 0 z (f ′ (ζ)) α d ζ appear. In this note we extend the classical problem of finding the values of α ∈ C for which either f α or F α are univalent, whenever f belongs to some subclasses of univalent mappings in D , to the case of logharmonic mappings by considering the extension of the shear construction introduced by Clunie and Sheil-Small in (Clunie and Sheil-Small in Ann. Acad. Sci. Fenn., Ser. A I 9:3–25, 1984) to this new scenario. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
10255834
Volume :
2021
Issue :
1
Database :
Academic Search Index
Journal :
Journal of Inequalities & Applications
Publication Type :
Academic Journal
Accession number :
149151849
Full Text :
https://doi.org/10.1186/s13660-021-02578-y