Zero-dilation indices of KMS matrices

Hwa Long Gau, Pei Yuan Wu

研究成果: 雜誌貢獻期刊論文同行評審

2 引文 斯高帕斯(Scopus)

摘要

The zero-dilation index d(A) of an n-by-n complex matrix A is the maximum size of the zero matrix which can be dilated to A. In this paper, we determine the value of this index for the KMS matrix by using the Li-Sze characterization of higher-rank numerical ranges of a finite matrix.

原文???core.languages.en_GB???
頁(從 - 到)30-35
頁數6
期刊Annals of Functional Analysis
5
發行號1
DOIs
出版狀態已出版 - 2014

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