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Sharp bounds of the coefficient results for the family of bounded turning functions associated with a petal-shaped domain - MaRDI portal

Sharp bounds of the coefficient results for the family of bounded turning functions associated with a petal-shaped domain (Q2023009)

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scientific article; zbMATH DE number 7341748
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Sharp bounds of the coefficient results for the family of bounded turning functions associated with a petal-shaped domain
scientific article; zbMATH DE number 7341748

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    Sharp bounds of the coefficient results for the family of bounded turning functions associated with a petal-shaped domain (English)
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    3 May 2021
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    Summary: The goal of this article is to determine sharp inequalities of certain coefficient-related problems for the functions of bounded turning class subordinated with a petal-shaped domain. These problems include the bounds of first three coefficients, the estimate of Fekete-Szegö inequality, and the bounds of second- and third-order Hankel determinants.
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    coefficient estimates
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    Hankel determinant
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