Operators and Matrices · Volume 13, Issue 3 Sylvester equations and polynomial separation of spectra 13-62 Pages 867-885 DOI 10.7153/oam-2019-13-62 Downloads Short PDF Full PDF PNG Authors Olavi Nevanlinna Keywords Sylvester equation multicentric calculus preconditioning spectral separation Subject classes 15A24 47A10 47A60 47A62 65F08 65F10 65J10
