Subnormal roots of subnormal operators
type: Item
instance of: scholarly article
title: Subnormal roots of subnormal operators
zbMATH Open document ID: 0582.47025
DOI: 10.1007/BF01202907
author: Warren R. Wogen
published in: Integral Equations and Operator Theory
publication date: 1985-01-01T00:00:00Z
review text: Suppose that S is a subnormal operator and that S has a square root. Must S have a subnormal square root ? In this note two examples are given which answer this question in the negative.
Mathematics Subject Classification ID: 47B20
Mathematics Subject Classification ID: 47A60
Mathematics Subject Classification ID: 47A62
zbMATH DE Number: 3931827
zbMATH Keywords: subnormal operator
zbMATH Keywords: square root
MaRDI profile type: Publication
cites work: Q3930259
cites work: Square Roots of Operators
cites work: Functional relationships between a subnormal operator and its minimal normal extension
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description: scientific article; zbMATH DE number 3931827