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Coefficient estimates for a subclass of parabolic bi-starlike functions

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Abstract

In this paper, we introduce a new subclass of analytic and bi-univalent functions in the open unit disk \(\mathbb {U}\). For functions belonging to this class, we obtain initial coefficient bounds and Fekete–Szegö inequality.

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Authors and Affiliations

  1. Faculty of Aviation and Space Sciences, Kocaeli University, Arslanbey Campus, 41285, Kartepe, Kocaeli, Turkey

    Serap Bulut

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  1. Serap Bulut
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Correspondence to Serap Bulut.

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Bulut, S. Coefficient estimates for a subclass of parabolic bi-starlike functions. Afr. Mat. 29, 331–338 (2018). https://doi.org/10.1007/s13370-018-0543-y

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  • DOI: https://doi.org/10.1007/s13370-018-0543-y

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