Estimates on coefficients of a general subclass of bi-univalent functions associated with symmetric \(q\)-derivative operator by means of the Chebyshev polynomials (Q1698494)
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scientific article; zbMATH DE number 6839635
| Language | Label | Description | Also known as |
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| English | Estimates on coefficients of a general subclass of bi-univalent functions associated with symmetric \(q\)-derivative operator by means of the Chebyshev polynomials |
scientific article; zbMATH DE number 6839635 |
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Estimates on coefficients of a general subclass of bi-univalent functions associated with symmetric \(q\)-derivative operator by means of the Chebyshev polynomials (English)
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15 February 2018
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Summary: In this paper, we study a newly-constructed subclass of bi-univalent functions defined by using symmetric \(q\)-derivative operator. Upper bounds for the second and third coefficients, and also Fekete-Szegö inequalities of functions in this subclass are founded. Moreover, certain special cases are also indicated.
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coefficient bounds
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subordination
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Fekete-Szegö inequality
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0.9468784
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0.9209892
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