Remote Access Proceedings of the American Mathematical Society
Green Open Access

Proceedings of the American Mathematical Society

ISSN 1088-6826(online) ISSN 0002-9939(print)

 

 

On the range of a hyponormal derivation


Author: Joseph G. Stampfli
Journal: Proc. Amer. Math. Soc. 52 (1975), 117-120
MSC: Primary 47B20
MathSciNet review: 0377575
Full-text PDF Free Access

Abstract | References | Similar Articles | Additional Information

Abstract: The inner derivation induced by a hyponormal operator has closed range if and only if the operator has finite spectrum.


References [Enhancements On Off] (What's this?)


Similar Articles

Retrieve articles in Proceedings of the American Mathematical Society with MSC: 47B20

Retrieve articles in all journals with MSC: 47B20


Additional Information

DOI: https://doi.org/10.1090/S0002-9939-1975-0377575-X
Keywords: Hyponormal operator, inner derivation, closed range, compact operator
Article copyright: © Copyright 1975 American Mathematical Society