Coefficients estimates for functions in \(B_n (\alpha)\) (Q1415219)
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scientific article; zbMATH DE number 2012643
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Coefficients estimates for functions in \(B_n (\alpha)\) |
scientific article; zbMATH DE number 2012643 |
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Coefficients estimates for functions in \(B_n (\alpha)\) (English)
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3 December 2003
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Summary: We consider functions \(f\), analytic in the unit disc and of the normalised form \(f(z) = z + \sum_{k=2}^\infty a_k z^k\) . For functions \(f \in B_n (\alpha)\), the class of functions involving the Sălăgean differential operator, we give some coefficient estimates, namely, \(| a_2| \), \(| a_3| \), and \(| a_4| \).
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