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In this article we estimate the sum of coefficients for functions with restrictions on the pre-Schwarzian derivative. We obtain an estimate, which is sharp up to a constant and find… Click to show full abstract
In this article we estimate the sum of coefficients for functions with restrictions on the pre-Schwarzian derivative. We obtain an estimate, which is sharp up to a constant and find upper and lower bounds for that constant. Also we estimate the sum of the first three coefficients for all functions f, such that $$\log f'(z)$$ is bounded with respect to the Bloch norm.
Keywords:
landau type;
coefficients univalent;
estimates coefficients;
univalent functions;
type estimates
Journal Title: Computational Methods and Function Theory
Year Published: 2020
Link to full text (if available)
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Journal Title: Computational Methods and Function Theory
Year Published: 2020
Link to full text (if available)
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recommendations!