The point spectrum, residual spectrum and continuous spectrum of upper-triangular operator matrices with given diagonal entries
type: Item
instance of: scholarly article
title: The point spectrum, residual spectrum and continuous spectrum of upper-triangular operator matrices with given diagonal entries
zbMATH Open document ID: 1356.47005
author: Junjie Huang
author: Alatancang
author: Xiu Feng Wu
published in: Mediterranean Journal of Mathematics
publication date: 2016-12-07T00:00:00Z
Mathematics Subject Classification ID: 47A10
Mathematics Subject Classification ID: 47A55
zbMATH DE Number: 6661823
zbMATH Keywords: point spectrum
zbMATH Keywords: residual spectrum
zbMATH Keywords: continuous spectrum
zbMATH Keywords: perturbation theory
zbMATH Keywords: \(n\times n\) upper-triangular operator matrix
MaRDI profile type: Publication
full work available at URL: s00009-015-0673-5
OpenAlex ID: W2279390952
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DOI: 10.1007/S00009-015-0673-5
description: scientific article; zbMATH DE number 6661823