On geometrical properties of logharmonic mappings

In this paper, we find the radius of the disk $\Omega _{r}$ such that every starlike logharmonic mapping $f(z)$ of order $\alpha ,$ is starlike in $% |z|\leq r$ with respect to any point of $\Omega _{r}.$ We also establish a relation between the set of starlike logharmonic mappings \ and the set of...

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Hauptverfasser: Abdulhadi, Zayid, Hajj, Layan El
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Sprache:eng
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Zusammenfassung:In this paper, we find the radius of the disk $\Omega _{r}$ such that every starlike logharmonic mapping $f(z)$ of order $\alpha ,$ is starlike in $% |z|\leq r$ with respect to any point of $\Omega _{r}.$ We also establish a relation between the set of starlike logharmonic mappings \ and the set of starlike logharmonic mappings of order alpha. Moreover, the radius of starlikeness and univalence for the set of close to starlike logharmonic mappings of order $\alpha $ is determined.
DOI:10.48550/arxiv.1610.01087