数学研究通讯

2018, (01) 65-76

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On the Coefficients of Several Classes of Bi-univalent Functions Defined by Convolution

Guo Dong;Li Zong-tao;

摘要(Abstract):

In this paper, we introduce several new subclasses of the function class Σ of bi-univalent functions analytic in the open unit disc defined by convolution.Furthermore, we investigate the bounds of the coefficients |a2| and |a3| for functions in these new subclasses. The results presented in this paper improve or generalize the recent works of other authors.

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作者(Author): Guo Dong;Li Zong-tao;

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