Idempotent completions of operator partial matrices

Authors
Hou, JC Radjavi, H Rosenthal, P
Citation
Jc. Hou et al., Idempotent completions of operator partial matrices, ACTA MATH S, 15(3), 1999, pp. 333-346
Citations number
23
Categorie Soggetti
Mathematics
Journal title
ACTA MATHEMATICA SINICA-ENGLISH SERIES
ISSN journal
10009574 → ACNP
Volume
15
Issue
3
Year of publication
1999
Pages
333 - 346
Database
ISI
SICI code
1000-9574(199907)15:3<333:ICOOPM>2.0.ZU;2-P
Abstract
Necessary and sufficient conditions are obtained for operator partial 2 x 2 matrices to have an idempotent completion, and all such completions are pa rametrically represented.