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Cofficient estimates for a general Subclass of bi-univalent functions
oleh: Khosrow Hosseinzadeh
Format: | Article |
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Diterbitkan: | Sociedade Brasileira de Matemática 2022-02-01 |
Deskripsi
In this paper, we introduce and investigate an interesting subclass ${\cal{S}}^{h,p}_{\Sigma}(A,B,C,\lambda)$ of bi-univalent functions in the open unit disk $\mathbb{U}$. Furthermore, we find estimates on the $|a_2|$ and $|a_3|$ coefficients for functions in this subclass. The coefficient bounds presented here generalize some recent works of several earlier authors.