Journal of Mathematical Inequalities · Volume 15, Issue 4 Determinant for positive operators and Oppenheim's inequality 15-112 Pages 1637-1645 DOI 10.7153/jmi-2021-15-112 Downloads Short PDF Full PDF PNG Authors Sora Hiramatsu Yuki Seo Keywords Hadamard product determinant Oppenheim inequality positive invertible operator Subject classes 47A63 15A45