摘要
定义了矩阵的两种带有完全对称函数的相合数值域,讨论了它们为单点集的条件及它们的形状。
In this note, two congruence numerical ranges of a matrix associated with completely symmetric function are defined, and the conditions for them to be singleton set and their shapes are discussed.
关键词
完全对称函数
诱导矩阵
数值域
completely symmetric function
induced matrix
numerical range
