摘要
给出了算子T∈B( H) 在极分解下属于P3 的充要条件,正常算子T 属于P2 时的一些性质,以及张量积算子AB 属于Pn
In this paper, some results on approximation by products of positive operators are prvoern for T=u|T| and AB,We give the necessary and sufficient condition for T∈P 3 and AB∈P n, and point out the propty of normal operator T=u|T|∈P 2
出处
《三峡大学学报(人文社会科学版)》
1999年第5期4-5,14-6,共4页
Journal of China Three Gorges University(Humanities & Social Sciences)
关键词
正算子积
极分解
张量积算子
Products of positive operators, Polar decomposition
Tensor products operator