Operators and Matrices · Volume 16, Issue 2 Refining some inequalities on 2 × 2 block accretive matrices 16-35 Pages 457-464 DOI 10.7153/oam-2022-16-35 Downloads Short PDF Full PDF PNG Authors Hong Huang Keywords positive semidefinite matrices accretive matrices singular value inequalities unitarily invariant norm Subject classes 15A45 15A60