摘要
本文刻画了上三角算子矩阵M_C=(A0CB)■→■左(右)Weyl谱的交.
Let bea2×2 upper triangular operator matrix acting on the Hilbert space. For given A and B, the sets and has been characterized completely, where σlw(T) and σrw(T) denote the left Weyl and the right Weyl spectra of an operator T, respectively.
出处
《数学学报(中文版)》
SCIE
CSCD
北大核心
2005年第4期653-660,共8页
Acta Mathematica Sinica:Chinese Series
基金
国家自然科学基金资助项目(19971056)