Initial coefficient bounds for certain class of meromorphic bi-univalent functions
und | 17. Aug. 2019
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Online veröffentlicht: 17. Aug. 2019
Seitenbereich: 234 - 245
Eingereicht: 02. Dez. 2018
DOI: https://doi.org/10.2478/ausm-2019-0018
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© 2019 Ahmad Zireh et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
In this paper, we introduce and investigate an interesting subclass of meromorphic bi-univalent functions defined on Δ = {z ∈ ℂ: 1 < |z| < ∞}. For functions belonging to this class, estimates on the initial coefficients are obtained. The results presented in this paper generalize and improve some recent works.