Citation
Yb. Choi et al., One-step extension of the Bergman shift, P AM MATH S, 128(12), 2000, pp. 3639-3646
Citations number
7
Categorie Soggetti
Mathematics
Journal title
PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY
ISSN journal
00029939
→ ACNP
Volume
128
Issue
12
Year of publication
2000
Pages
3639 - 3646
Database
ISI
SICI code
0002-9939(2000)128:12<3639:OEOTBS>2.0.ZU;2-Y
Abstract
In this paper we answer a question of Curto and Fialkow: there exists a qua
dratically hyponormal weighted shift which is not positively quadratically
hyponormal.