Operators and Matrices · Volume 13, Issue 3 Selfadjoint operators, normal operators, and characterizations 13-59 Pages 835-842 DOI 10.7153/oam-2019-13-59 Downloads Short PDF Full PDF PNG Authors Ameur Seddik Keywords closed range operator Moore-Penrose inverse group inverse selfadjoint operator unitary operator normal operator partial isometry operator isometry operator operator inequality Subject classes 47A30 47A05 47B15
