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A sharp Schwarz inequality on the boundary
Author(s):
Robert
Osserman
Journal:
Proc. Amer. Math. Soc.
128
(2000),
3513-3517.
MSC (2000):
Primary 30C80
Posted:
May 18, 2000
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Abstract:
A number of classical results reflect the fact that if a holomorphic function maps the unit disk into itself, taking the origin into the origin, and if some boundary point maps to the boundary, then the map is a magnification at . We prove a sharp quantitative version of this result which also sharpens a classical result of Loewner.
References:
-
- [BK]
- Burns, D.M. and Krantz, S.G. ``Rigidity of holomorphic mappings and a new Schwarz Lemma at the boundary.'' J. Amer. Math. Soc. 7 (1994) 661-676. MR 94j:32016
- [C1]
- Carathéodory, C. Conformal Representation Cambridge University Press 1952. MR 13:734a
- [C2]
- Carathéodory, C. Theory of Functions Vol. 2, New York, Chelsea 1954. MR 15:612b
- [L]
- Löwner. K. ``Untersuchungen über schlichte konforme Abbildungen des Einheitskreises. I.'' Math. Ann. 89 (1923) 103-121.
- [M]
- Mercer, P.R. ``Sharpened versions of the Schwarz Lemma.'' J. Math. Anal. Appl. 205 (1997) 508-511. MR 98e:30016
- [O]
- Osserman, R. ``A new variant of the Schwarz-Pick-Ahlfors Lemma.'' Manuscripta Mathematica 100 (1999) 123-124.
- [OR]
- Osserman, R. and Ru, M. ``An estimate for the Gauss curvature of minimal surfaces in
whose Gauss map omits a set of hyperplanes.'' J. Differential Geometry 46 (1997) 578-593. MR 98k:53014 - [PS]
- Pólya, G. and Szegö, G. Problems and Theorems of Analysis Vol. 2, New York, Springer-Verlag 1972. MR 57:5529
- [P]
- Pommerenke, Ch. Boundary Behaviour of Conformal Maps, New York, Springer-Verlag 1992. MR 95b:30008
- [V]
- Velling, J.A. ``The uniformizations of rectangles, an exercise in Schwarz's Lemma.'' Amer. Math. Monthly 39 (1992) 112-115. MR 93b:30008
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Additional Information:
Robert
Osserman
Affiliation:
MSRI, 1000 Centennial Drive, Berkeley, California 94720-5070
Email:
osserman@msri.org
DOI:
10.1090/S0002-9939-00-05463-0
PII:
S 0002-9939(00)05463-0
Keywords:
Schwarz Lemma
Received by editor(s):
June 15, 1998
Received by editor(s) in revised form:
January 26, 1999
Posted:
May 18, 2000
Additional Notes:
The author's research at MSRI is supported in part by NSF grant DMS-9701755.
Communicated by:
Albert Baernstein II
Copyright of article:
Copyright
2000,
American Mathematical Society
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