Quartically hyponormal weighted shifts need not be 3-hyponormal

Journal article

Open access

Peer reviewed

Raúl E Curto and Sang Hoon Lee

Journal of mathematical analysis and applications, Vol.314(2), pp.455-463

2006

DOI: 10.1016/j.jmaa.2005.04.020

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We give the first example of a quartically hyponormal unilateral weighted shift which is not 3-hyponormal.

Weakly k-hyponormal

k-Hyponormal

Weighted shift

Title: Subtitle: Quartically hyponormal weighted shifts need not be 3-hyponormal
Creators: Raúl E Curto
Sang Hoon Lee
Resource Type: Journal article
Publication Details: Journal of mathematical analysis and applications, Vol.314(2), pp.455-463
DOI: 10.1016/j.jmaa.2005.04.020
ISSN: 0022-247X
eISSN: 1096-0813
Publisher: Elsevier Inc
Language: English
Date published: 2006
Academic Unit: Mathematics
Record Identifier: 9983986094202771

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