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椭圆范围定理的简短证明

IF 0.5 4区 数学 Q3 MATHEMATICS
Archiv der Mathematik Pub Date : 2024-01-17 DOI:10.1007/s00013-023-01957-9
Gyula Lakos
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引用次数: 0

摘要

给出了关于复矩阵数值范围的椭圆范围定理的简短证明。
本文章由计算机程序翻译，如有差异，请以英文原文为准。
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A short proof of the elliptical range theorem

A short proof of the elliptical range theorem concerning the numerical range of \(2\times 2\) complex matrices is given.

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来源期刊
Archiv der Mathematik
Archiv der Mathematik 数学-数学
CiteScore
1.10
自引率
0.00%
发文量
117
审稿时长
4-8 weeks
期刊介绍： Archiv der Mathematik (AdM) publishes short high quality research papers in every area of mathematics which are not overly technical in nature and addressed to a broad readership.
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