On the second Hankel determinant of areally mean 𝑝-valent functions

Noonan, J. W.; Thomas, D. K.

doi:10.1090/S0002-9947-1976-0422607-9

On the second Hankel determinant of areally mean $p$-valent functions
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by J. W. Noonan and D. K. Thomas PDF

Trans. Amer. Math. Soc. 223 (1976), 337-346 Request permission

Abstract:

In this paper we determine the growth rate of the second Hankel determinant of an areally mean p-valent function. This result both extends and unifies previously known results concerning this problem.

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