Angular cutting for log-hyponormal operators

Authors
Cho, M Tanahashi, K
Citation
M. Cho et K. Tanahashi, Angular cutting for log-hyponormal operators, INTEG EQ OP, 40(4), 2001, pp. 383-390
Citations number
16
Categorie Soggetti
Mathematics
Journal title
INTEGRAL EQUATIONS AND OPERATOR THEORY
ISSN journal
0378620X → ACNP
Volume
40
Issue
4
Year of publication
2001
Pages
383 - 390
Database
ISI
SICI code
0378-620X(200108)40:4<383:ACFLO>2.0.ZU;2-E
Abstract
We define an angular section for a log-hyponormal operator on a Hilbert spa ce, cut by an are on the unit circle, and establish various spectral proper ties for it, which correspond to the properties of an angular section for a p-hyponormal operator.