Operators and Matrices · Volume 14, Issue 1 g-Drazin inverses for operator matrices 14-03 Pages 23-31 DOI 10.7153/oam-2020-14-03 Downloads Short PDF Full PDF PNG Authors Huanyin Chen Marjan Sheibani Abdolyousefi Keywords g-Drazin inverse additive property operator matrix spectral idempotent Subject classes 15A09 32A65 16E50