Idempotent completions of operator partial matrices

Authors
Hou, Jinchuan Redjavi, Heydar Rosenthal, Peter
Citation
Hou, Jinchuan et al., Idempotent completions of operator partial matrices, Acta mathematica Sinica. English series (Print) , 15(3), 1999, pp. 333-346
Journal title
Acta mathematica Sinica. English series (Print) → ACNP
ISSN journal
14398516
Volume
15
Issue
3
Year of publication
1999
Pages
333 - 346
Database
ACNP
SICI code
Abstract
Necessary and sufficient conditions are obtained for operator partial 2 . 2 matrices to have an idempotent completion, and all such completions are parametrically represented.