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算子数值域的内点（英文）

The Interior of Numerical Ranges of Operators

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【作者】 窦艳妮； 李陈心； 李荣； 杜鸿科；

【Author】 DOU Yan-ni;LI Chen-xin;LI Rong;DU Hong-ke;College of Mathematics and Information Science, Shaanxi Normal University;

【机构】 College of Mathematics and Information Science, Shaanxi Normal University；

【摘要】 In this note, some properties of the interior of numerical ranges of operators are established, and an alternative proof of Embry’s theorem associated with the interior of a numerical ranges of an operator is given(see [3]).

【Abstract】 In this note, some properties of the interior of numerical ranges of operators are established, and an alternative proof of Embry’s theorem associated with the interior of a numerical ranges of an operator is given(see [3]).

【关键词】 numerical range； interior of numerical range； boundary of numerical range；
【Key words】 numerical range； interior of numerical range； boundary of numerical range；
【基金】 Supported by the National Natural Science Foundation of China(11571211,11301318,11171197,11471200);Supported by the Fundamental Research Funds for the Central Universities(GK201301007)
  • 【文献出处】 数学季刊(英文版) ,Chinese Quarterly Journal of Mathematics , 编辑部邮箱 ,2015年04期
  • 【分类号】O177
  • 【下载频次】40
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