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SECOND HANKEL DETERMINANT OF LOGARITHMIC COEFFICIENTS OF CONVEX AND STARLIKE FUNCTIONS

Bogumiła Kowalczyk, Adam Lecko

Bulletin of the Australian Mathematical Society · 2021 · 64 citations · 9 references

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Abstract

Abstract We begin the study of Hankel matrices whose entries are logarithmic coefficients of univalent functions and give sharp bounds for the second Hankel determinant of logarithmic coefficients of convex and starlike functions.

References

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Bogumiła Kowalczyk, Adam Lecko, Young Jae Sim · Bulletin of the Australian Mathematical Society · 2018 · 189 citations · Full text

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Some coefficient inequalities related to the Hankel determinant for strongly starlike functions of order alpha

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, , +2