Prof. Xia Daoxing investigated a class of non-normal operators. Let T be an operator in the complex Hilbert space H with the polar decomposition T=UP, here U is an isometry. Then the operator T is called (?)-quasi-hyp...Prof. Xia Daoxing investigated a class of non-normal operators. Let T be an operator in the complex Hilbert space H with the polar decomposition T=UP, here U is an isometry. Then the operator T is called (?)-quasi-hyponormal op-展开更多
文摘Prof. Xia Daoxing investigated a class of non-normal operators. Let T be an operator in the complex Hilbert space H with the polar decomposition T=UP, here U is an isometry. Then the operator T is called (?)-quasi-hyponormal op-
