Journal of Mathematical Inequalities · Volume 14, Issue 3 Extending a result of Haynsworth 14-54 Pages 845-852 DOI 10.7153/jmi-2020-14-54 Downloads Short PDF Full PDF PNG Authors Qian Li Qing-Wen Wang Sheng Dong Keywords determinant inequality Haynsworth's inequality sector matrices Subject classes 15A45 47A63