On Univalent Log-Harmonic Mappings

作者:Liu, Zhihong*; Ponnusamy, Saminathan
来源:Filomat, 2022, 36(12): 4211-4224.
DOI:10.2298/FIL2212211L

摘要

We consider the class of univalent log-harmonic mappings on the unit disk. Firstly, we present general idea of constructing log-harmonic Koebe mappings, log-harmonic right half-plane mappings and log-harmonic two-slits mappings and then we show precise ranges of these mappings. Moreover, coefficient estimates for univalent log-harmonic starlike mappings are obtained. Growth and distortion theorems for certain special subclasses of log-harmonic mappings are studied. Finally, we propose two conjectures, namely, log-harmonic coefficient and log-harmonic covering conjectures.

  • 单位
    桂林理工大学

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