Products of spherical derivatives
and normal functions

Chen Huaihui
Department of Mathematics
Nanjing Normal University
Nanjing, Jiangsu 210024
Peoples Republic of China
e-mail: hhchen@pine.njnu.edu.cn
and
Peter Lappan
Department of Mathematics
Michigan State University
East Lansing, Michigan 48824
USA
e-mail: plappan@math.msu.edu

Abstract:

Chen and Gu [1] have given some results relating to normal families, and, in this paper, we give versions of these results valid for normal functions. In the process, we improve some of our previous results involving products of certain spherical derivatives as they relate to normal functions. Some examples are given to show the sharpness of our results.

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© Copyright 1998, Australian Mathematical Society