| 侯晋川,王永明.Hilbert-Schmidt类上的k-拟亚正规算子[J].数学研究及应用,1989,9(1):57~62 |
| Hilbert-Schmidt类上的k-拟亚正规算子 |
| k-Quasihyponormal Operators on the Hilbert- Schmidt Class |
| 投稿时间：1986-12-10 |
| DOI：10.3770/j.issn:1000-341X.1989.01.012 |
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| An operator T acting on a Hilbert space H is called k- quasihyponormal if {T} =T*k (T*T-TT*)Tk≥0 . Let A and B be two operators on H, one can obtain an operator τ =τAB on the class l2 of all Hilbert-Schmidt operators on H in such a way that τ(X)=AXB for every X∈l2. In this note the authors show that |
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