摘要
本文研究了Banach空间上多重交换算子的谱和数值值域之间的关系;
In this paper, the relation between spectra and numerical range of several operators on Banach spaces is studied. At the same time, an open problem in the field of the non-linear conrol is partly answered.
出处
《应用泛函分析学报》
CSCD
2001年第2期183-187,共5页
Acta Analysis Functionalis Applicata