Proceedings of the American Mathematical Society

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ISSN 1088-6826(e) ISSN 0002-9939(p)

On the theorem of Hayman and Wu

Author(s): S. Rohde
Journal: Proc. Amer. Math. Soc. 130 (2002), 387-394.
MSC (2000): Primary 30C35
Posted: September 19, 2001
MathSciNet review: 1862117
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Abstract: We show that the Hayman-Wu constant Øis strictly smaller than $4\pi.$ Previously it has been shown that $\pi^2\leq$ Ø $\leq 4\pi.$ A main tool in our proof is an analysis of the hyperbolic geodesic curvature of straight lines in simply connected domains.

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