文件名称：Hilbert-Schmidt类上的k-拟亚正规算子 (1989年)
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更新时间：2024-07-01 19:36:28
自然科学 论文
An operator T acting on a Hilbert space H is called k-quasi hyponormal if {T} =T・k (T・-TT・)Tk> 0 . Let A and B be two operators on H,one can obtain an operator T =TAB on the class of all Hilbert-Schmidt operators on H in such a way that T (X) = AXB for ev