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Transactions of the American Mathematical Society

Published by the American Mathematical Society since 1900, Transactions of the American Mathematical Society is devoted to longer research articles in all areas of pure and applied mathematics.

ISSN 1088-6850 (online) ISSN 0002-9947 (print)

The 2020 MCQ for Transactions of the American Mathematical Society is 1.48.

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Regions of variability for univalent functions
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by Peter Duren and Ayşenur Ünal PDF
Trans. Amer. Math. Soc. 295 (1986), 119-126 Request permission

Abstract:

Let $S$ be the standard class of univalent functions in the unit disk, and let ${S_0}$ be the class of nonvanishing univalent functions $g$ with $g(0) = 1$. It is shown that the regions of variability $\{ g(r):g \in {S_0}\}$ and $\{ (1 - {r^2})f\prime (r):f \in S\}$ are very closely related but are not quite identical.
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Additional Information
  • © Copyright 1986 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 295 (1986), 119-126
  • MSC: Primary 30C70
  • DOI: https://doi.org/10.1090/S0002-9947-1986-0831192-5
  • MathSciNet review: 831192