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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)

 

On the theorem of Hayman and Wu


Author: S. Rohde
Journal: Proc. Amer. Math. Soc. 130 (2002), 387-394
MSC (2000): Primary 30C35
Published electronically: 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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Additional Information

S. Rohde
Affiliation: Department of Mathematics, University of Washington, Seattle, Washington 98195-4350

DOI: http://dx.doi.org/10.1090/S0002-9939-01-06209-8
PII: S 0002-9939(01)06209-8
Received by editor(s): February 29, 2000
Published electronically: September 19, 2001
Additional Notes: Research supported by NSF grant DMS-9970398
Communicated by: Juha M. Heinonen
Article copyright: © Copyright 2001 American Mathematical Society