论文标题
关节数值半径的细分差异
Subdifferential of the joint numerical radius
论文作者
论文摘要
获得了关节数值半径的细分差异的表达。讨论了它在关节数字半径中最佳近似问题的应用。
An expression for the subdifferential of the joint numerical radius is obtained. Its applications to the best approximation problems in the joint numerical radius are discussed.
