Results 111 to 120 of about 314 (146)

Coefficient Estimates for Bi-Univalent Bazilevic Functions

Analysis in Theory and Applications, 2014
In this paper we consider the class of Bazilevic functions for bi-univalent functions. For this we will estimate the coefficients $a_2$ and $a_3$ using Caratheodory functions and the method of differential subordination.
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Coefficient Estimates of Meromorphic Bi- Starlike Functions of Complex Order

International Journal of Analysis and Applications, 2013
In the present investigation, we define a new subclass of meromorphic bi-univalent functions class Σ' of complex order γ ∈ C\{0}, and obtain the estimates for the coefficients |b0| and |b1|. Further we pointed out several new or known consequences of our
T. Janani, G. Murugusundaramoorthy
doaj  

Some Coefficient Problems on Bi-univalent Functions

ASM Science Journal, 2020
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On the Coefficients of Several Classes of Bi-Univalent Functions

Acta Mathematica Scientia, 2014
Abstract In this paper, we investigate the bounds of the coefficients of several classes of bi-univalent functions. The results presented in this paper improve or generalize the recent works of other authors.
Zhigang Peng
exaly   +2 more sources

New classes of bi-univalent functions

Journal of Interdisciplinary Mathematics, 2020
This paper tends to investigate a few new subclasses of bi-univalent functions H(v, λ, n) as well as G(v, ξ, n) in an open disc U of unit length.
Murli Manohar Gour, Sunil Joshi, Pranay Goswami, S. D. Purohit   +3 more
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Subclasses of bi-univalent functions subordinate to gegenbauer polynomials

Afrika Matematika, 2023
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Ala Amourah, Zabidin Salleh, B. A. Frasin, Muhammad Ghaffar Khan, Bakhtiar Ahmad   +4 more
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Coefficient bounds for a subclass of Bi-univalent functions

Acta Universitatis Apulensis, 2014
Summary: In the present investigation, we introduce two new subclasses \(ST_\Sigma(b,\phi)\) and \(CV_\Sigma(b,\phi)\) of bi-univalent functions defined in the open unit disc \(\mathbb U=\{z:| z|
Selvaraj, C., Kumar, T. R. K., Thirupathi, G.   +2 more
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Certain Subclasses of Meromorphically Bi-Univalent Functions

Bulletin of the Malaysian Mathematical Sciences Society, 2016
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Sim, Young Jae, Kwon, Oh Sang
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ON SOME CLASSES OF BI-UNIVALENT FUNCTIONS

1988
Let S denote the class of all functions \(f(z)=z+a_ 2z^ 2+a_ 3z^ 3+..\). which are analytic and univalent in the unit disc \(U=\{z:| z|
Brannan, D. A., Taha, T. S.
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Löwner chains and a subclass of bi-univalent functions

Georgian Mathematical Journal, 2022
Abstract In this paper, we give characterization of subclasses of bi-univalent functions and also consider bi-starlike functions on the unit disk in ℂ in terms of Löwner chains.
Shahram Najafzadeh, Hakimeh Haji, Hormoz Rahmatan   +2 more
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