Nearly subnormal operators and moment problems

Raul E Curto; Mihai Putinar

doi:10.1006/jfan.1993.1101

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Nearly subnormal operators and moment problems

Journal article

Open access

Peer reviewed

Nearly subnormal operators and moment problems

Raul E Curto and Mihai Putinar

Journal of Functional Analysis, Vol.115(2), pp.480-497

1993

DOI: 10.1006/jfan.1993.1101

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Abstract

We use separation-of-cones techniques and ideas from multivariable operator theory to show that polynomial hyponormality does not imply subnormality for Hilbert space operators. As an application, we obtain a new result in the theory of power moments in two dimensions.

Details

Title: Subtitle: Nearly subnormal operators and moment problems
Creators: Raul E Curto
Mihai Putinar
Resource Type: Journal article
Publication Details: Journal of Functional Analysis, Vol.115(2), pp.480-497
DOI: 10.1006/jfan.1993.1101
ISSN: 1096-0783
eISSN: 1096-0783
Language: English
Date published: 1993
Academic Unit: Mathematics
Record Identifier: 9983985934002771

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