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Failure of the Denjoy theorem for quasiregular maps in dimension
Author(s):
Ilkka
Holopainen;
Seppo
Rickman
Journal:
Proc. Amer. Math. Soc.
124
(1996),
1783-1788.
MSC (1991):
Primary 30C65
MathSciNet review:
1307528
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Abstract:
In 1929 L. V. Ahlfors proved the Denjoy conjecture which states that the order of an entire holomorphic function of the plane must be at least if the map has at least finite asymptotic values. In this paper, we prove that the Denjoy theorem has no counterpart in the classical form for quasiregular maps in dimensions . We construct a quasiregular map of with a bounded order but with infinitely many asymptotic limits. Our method also gives a new construction for a counterexample of Lindelöf's theorem for quasiregular maps of .
References:
- [1]
- Ahlfors, L.V., Über die asymptotischen Werte der ganzen Funktionen endlichen Ordnung, Ann. Acad. Sci. Fenn. Ser. A 32;6 (1929), 1--15.
- [2]
- Granlund, S., Lindqvist, P., Martio, O., F-harmonic measure in space, Ann. Acad. Sci. Fenn. Ser. A I Math. 7 (1982), 233--247. MR 84f:30031
- [3]
- Jenkins, J., On the Denjoy conjecture, Canad. J. Math. 10 (1958), 627--631. MR 20:5849
- [4]
- Reshetnyak, Yu. G., Space mappings with bounded distortion, Translations of Mathematical Monographs 73, American Mathematical Society, Providence, RI, 1989. MR 90d:30067
- [5]
- Rickman, S., Asymptotic values and angular limits of quasiregular mappings of a ball, Ann. Acad. Sci. Fenn. Ser. A I Math. 5 (1980), 185--196. MR 82b:30019
- [6]
- Rickman, S., Quasiregular mappings, Ergebnisse der Mathematik und ihrer Grenzgebiete, Band 26, Springer--Verlag, Berlin Heidelberg New York, 1993. CMP 94:01
- [7]
- Rickman, S., Vuorinen, M., On the order of quasiregular mappings, Ann. Acad. Sci. Fenn. Ser. A I Math. 7 (1982), 221--231. MR 85g:30029
- [8]
- Vuorinen, M., Conformal geometry and quasiregular mappings, Lecture Notes in Math. 1319, Springer - Verlag, Berlin Heidelberg New York, 1988. MR 89k:30021
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Additional Information:
Ilkka
Holopainen
Affiliation:
Department of Mathematics, P.O. Box 4 (Hallituskatu 15), FIN-00014 University of Helsinki, Finland
Seppo
Rickman
Affiliation:
Department of Mathematics, P.O. Box 4 (Hallituskatu 15), FIN-00014 University of Helsinki, Finland
Email:
ih@geom.helsinki.fi
DOI:
10.1090/S0002-9939-96-03181-4
PII:
S 0002-9939(96)03181-4
Keywords:
Quasiregular maps,
Denjoy theorem,
Lindel\"{o}f's theorem
Received by editor(s):
May 2, 1994
Received by editor(s) in revised form:
November 18, 1994
Additional Notes:
Supported in part by the EU HCM contract No. CHRX-CT92-0071.
Communicated by:
Albert Baernstein II
Copyright of article:
Copyright
1996,
American Mathematical Society
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