Normal Functions and Normal Families
Bulletin of the Malaysian Mathematical Society, Tome 27 (2004) no. 2
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In this paper, we prove the following theorem: Let F be a family of holomorphic functions in the unit disc D and let a be a nonzero complex number. If, for any f Î F , f ( z )= a Þ f '( z )= a , f '( z )= a Þ f ''( z )= a , then F is uniformly normal in D , that is, there exists a positive constant M such that (1-| z | 2 ) f # ( z ) £ M for each f Î F and z Î D where M is independently of M . This result improves related results due to [2], [8], and [3].
Classification :
30D45
@article{BMMS_2004_27_2_a4,
author = {Yan Xu},
title = {Normal {Functions} and {Normal} {Families}},
journal = {Bulletin of the Malaysian Mathematical Society},
year = {2004},
volume = {27},
number = {2},
url = {http://geodesic.mathdoc.fr/item/BMMS_2004_27_2_a4/}
}
Yan Xu. Normal Functions and Normal Families. Bulletin of the Malaysian Mathematical Society, Tome 27 (2004) no. 2. http://geodesic.mathdoc.fr/item/BMMS_2004_27_2_a4/