Let Cn×n be the set of n×n complex matrices and (?)n the set of orthonormal n-tuples ofvectors in Cn.For a vector c in Cn and a matrix A in Cn×n,the c-numerical range of A is
基金Direct Allocation Fund of City University of Hong Kong(Project No.71100118).
文摘Let Cn×n be the set of n×n complex matrices and (?)n the set of orthonormal n-tuples ofvectors in Cn.For a vector c in Cn and a matrix A in Cn×n,the c-numerical range of A is
