Operators and Matrices · Volume 18, Issue 3 Oppenheim-Schur's inequality and RKHS 18-43 Pages 711-733 DOI 10.7153/oam-2024-18-43 Downloads Short PDF Full PDF PNG Authors Akira Yamada Keywords Oppenheim-Schur's inequality positive definite block matrix reproducing kernel Subject classes 15A45 46E22