Sharp estimates on the radial growth of the derivative of bounded analytic functions
作者:
Daniel Girela,
María Del Mar Rodríguez,
期刊:
Complex Variables, Theory and Application: An International Journal
(Taylor Available online 1996)
卷期:
Volume 28,
issue 3
页码: 271-283
ISSN:0278-1077
年代: 1996
DOI:10.1080/17476939608814858
出版商: Gordon and Breach Science Publishers
关键词: 30D50;30D55
数据来源: Taylor
摘要:
In this paper we prove that if 0<p<2 andfis a function analytic in the unit disc δ then, for almost every θ in the set of those θ such thatfhas a non-tangential limit ateiθ. In particular, this holds for almost every θ inRiffis in the Nevanlinna classNand we prove that this result is sharp in a very strong sense. Namely, we prove that if 0<p<2 then given any positive functione(r) defined on[0,1] and tending to 0 asr→ 1 there exists a functionfanalytic in δ and continuous on δ such that, Our results extend to the range 0<p<2 knownresults of zygmundand Hallenbeck and Samotij valid forp= 1.
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