| 联合数值域的凸性 |
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| 引用本文： | 曹广福.联合数值域的凸性[J].哈尔滨建筑大学学报,1990(1). |
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| 作者姓名： | 曹广福 |
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| 作者单位： | 哈尔滨建筑工程学院数学教研室 |
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| 摘 要： | 本文研究了交换算子组的联合数值域的凸性;特别地,我们对重交换亚正规算子组性形证明了Toeplitz-Hausdorff 定理.
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| 关 键 词： | 交换算子组 联合数值域 |
The Convexity of Joint Numerical Ranges |
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| Cao Guangfu.The Convexity of Joint Numerical Ranges[J].Journal of Harbin University of Civil Engineering and Architecture,1990(1). |
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| Authors: | Cao Guangfu |
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| Affiliation: | Cao Guangfu |
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| Abstract: | In this paper,we study the convexity of joint numerical ranges of commutingperators,In particular,we 'll prove the Toeplitz-Hausdorff theorem for dualommuting hyponormal operators. |
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| Keywords: | tuples of commuting operators joint numerical ranges |
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