Operators and Matrices · Volume 3, Issue 3 Matrices with normal defect one 03-24 Pages 401-438 DOI 10.7153/oam-03-24 Downloads Short PDF Full PDF PNG Authors Dmitry S. Kaliuzhnyi-Verbovetskyi Ilya M. Spitkovsky Hugo J. Woerdeman Keywords normal defect minimal normal completions complex symmetric operators and matrices unitary and symmetric extensions commuting completions separability problem Subject classes 15A57 47A20 47B15 81P68