摘要
给出了Cn单位球上的Bloch空间上的复合算子的下有界的一个充分条件和一个必要条件,对必要条件得出了较优的结论.
In this paper, we give a sufficient condition and a necessary condition for bounded below of composition operator on Bloch space in C^n unit ball and our necessary condition is better than that of Chai Huan-hui.
出处
《应用泛函分析学报》
CSCD
2006年第3期233-239,共7页
Acta Analysis Functionalis Applicata
关键词
BLOCH空间
复合算子
下有界性
Bloch space
composition operator
bounded below property