Operators and Matrices · Volume 16, Issue 4 Erratum/Addendum to “Powers of posinormal operators”, Operators and Matrices 10 (2016), 15–27 16-80 Pages 1239-1242 DOI 10.7153/oam-2022-16-80 Downloads Short PDF Full PDF PNG Authors C. S. Kubrusly P. C. M. Vieira J. Zanni Keywords hyponormal operator posinormal operators quasiposinormal operators Subject classes 47B20 47A53