Numerical range is the subject of study for over a century. Its extension to matricial range is defined in terms of completely positive maps. A linear map ϕ between matrix algebras is completely po...

中文翻译：

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广义矩阵范围和正定性

数值范围是一个多世纪以来的研究主题。它对矩阵范围的扩展是根据完全正映射来定义的。矩阵代数之间的线性映射 phi 完全是...