Coefficient estimates for Ruscheweyh derivatives (Q1777657)
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scientific article; zbMATH DE number 2171562
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Coefficient estimates for Ruscheweyh derivatives |
scientific article; zbMATH DE number 2171562 |
Statements
Coefficient estimates for Ruscheweyh derivatives (English)
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25 May 2005
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A class of normalized analytic functions is defined in the unit disc by using Ruscheweyh derivatives. Sharp upper bounds for the Fekete-Szegő functional are obtained.
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Ruscheweyh derivatives
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coefficient estimates
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Fekete-Szgő functional
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analytic functions
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