Mathematical Inequalities & Applications · Volume 15, Issue 4 Characterizations of operator order for k strictly positive operators 15-84 Pages 981-993 DOI 10.7153/mia-15-84 Downloads Short PDF Full PDF PNG Authors Jian Shi Zongsheng Gao Keywords positive operator further extension of the grand Furuta inequality Douglas's majorization and factorization theorem Subject classes 47A63