Operators and Matrices · Volume 5, Issue 3 The density of the range of X ↦ AX-XB with A, B* M-hyponormals 05-38 Pages 505-510 DOI 10.7153/oam-05-38 Downloads Short PDF Full PDF PNG Authors Vasile Lauric Keywords generalized derivations hyponormal operators density of the range Subject classes 47B20