Perturbation of Spectra for a Class of 2×2 Operator Matrices  

作　　者：ALATANCANG Guo-lin HOU Guo-jun HAI 

机构地区：[1]School of Mathematical Sciences,Inner Mongolia University

出　　处：《Acta Mathematicae Applicatae Sinica》2012年第4期711-720,共10页应用数学学报（英文版）

基　　金：Supported by the National Natural Science Foundation of China(No.10962004);Tianyuan Fund for Mathematics(No.11126307);the National Natural Science Foundation of Inner Mongolia(No.2011MS0104, 2012MS0105);the Research Program of Science at Universities of Inner Mongolia Autonomous Region(No.NJZZ11011);Program of Higher-level Talents of Inner Mongolia University(No.Z20100116)

摘　　要：In this paper, we study the perturbation of spectra for 2 ×2 operator matrices such as Mx ={A0 XB） AC and Mz = （Az CB） on the Hilbert space H K and the sets……In this paper, we study the perturbation of spectra for 2 ×2 operator matrices such as Mx ={A0 XB） AC and Mz = （Az CB） on the Hilbert space H K and the sets……

关 键 词：operator matrices point spectrum residual spectrum continuous spectrum perturbation ofspectrum 

分 类 号：O151.21[理学—数学]