Mathematical Inequalities & Applications · Volume 26, Issue 2 New orders among Hilbert space operators 26-27 Pages 415-432 DOI 10.7153/mia-2023-26-27 Downloads Short PDF Full PDF PNG Authors Mohammad Sababheh Hamid Reza Moradi Keywords Löwner partial ordering block matrix numerical radius hyponormal operator (α,β)-normal operator singular values Subject classes 47A08 47A12 47A30 47A60