On p-hyponormal operators

Authors
Citation
E. Ko, On p-hyponormal operators, P AM MATH S, 128(3), 2000, pp. 775-780
Citations number
7
Categorie Soggetti
Mathematics
Journal title
PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY
ISSN journal
00029939 → ACNP
Volume
128
Issue
3
Year of publication
2000
Pages
775 - 780
Database
ISI
SICI code
0002-9939(200003)128:3<775:OPO>2.0.ZU;2-Y
Abstract
In this paper we show that p-hyponormal operators with 0 is not an element of sigma(\T\(1/2)(r)) are subscalar. As a corollary, we get that such opera tors with rich spectra have non-trivial invariant subspaces.