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Near Subnormality of Weighted Shifts and the Answer to the Hilbert Space Problem 160 认领 引用 被引量:1
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作者 王公宝 马吉溥 《Northeastern Mathematical Journal》 2001年第1期45-48,共4页
In this paper, necessary and sufficient conditions are obtained for unilateral weighted shifts to be near subnormal. As an application of the main results, many answers to the Hilbert space problem 160 are presented a... In this paper, necessary and sufficient conditions are obtained for unilateral weighted shifts to be near subnormal. As an application of the main results, many answers to the Hilbert space problem 160 are presented at the end of the paper. 展开更多
关键词 weighted shift near subnormal operator subnormal operator hyponormal operator M P generalized inverse
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