Open AccessCoefficients Estimates of Bi-Univalent Functions Defined by New Subclass Function
Author(s) -
Sarah A. Al-Ameedee,
Waggas Galib Atshan,
Faez Ali AL-Maamori
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1530/1/012105
Subject(s) - algorithm , computer science
In this paper, we introduce and investigate some new subclasses S γ n , q ( λ , m , ϕ ) and W x k , α ( λ , δ , ϕ ) of bi-univalent functions in the unit disk U, which satisfies the qusi-subordination condition. We obtain estimates the first two Taylor-Maclarurin coefficients | a 2 | and | a 3 |.