Coefficient estimates for subclasses BΣm(α, λ) and BΣm(β, λ) of analytic and bi-univalent functions defined by a differential operator

被引：0
|
作者：
Yousef, A.Ta. [1 ]
Salleh, Z. [1 ]
Al-Hawary, Tariq [2 ]
机构：
[1] Department of Mathematics, Faculty of Ocean Engineering Technology and Informatics, Universiti Malaysia, Terengganu, Nerus, Terengganu Kuala, 21030, Malaysia
[2] Department of Applied Science, Ajloun College, Al-Balqa Applied University, Ajloun,26816, Jordan
来源：
Italian Journal of Pure and Applied Mathematics | 2022年 / 47卷
关键词：
Differential equations - Mathematical operators;
D O I：
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学科分类号：
摘要：
In this paper two subclasses BΣ(α,λ) and BΣ(β,λ) are studied and a new estimation for the initial coefficients |a2| and |a3| in these subclasses are found. © 2022 Forum-Editrice Universitaria Udinese SRL. All rights reserved.
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页码：70 / 78
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