Operators and Matrices · Volume 17, Issue 3 Converse of Fuglede Theorem 17-46 Pages 705-714 DOI 10.7153/oam-2023-17-46 Downloads Short PDF Full PDF PNG Authors Hranislav Stanković Keywords subnormal operators quasinormal operators subnormal pairs Fuglede Theorem Subject classes 47B20 47A13 47A05