Volume 15, Issue 2 Akira Yamada Oppenheim's inequality and RKHS Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Akira Yamada Find more articles with the same keywords Oppenheim's inequality Hadamard's inequality Schur's inequality Hadamard product of matrices positive semidefinite matrices reproducing kernels Find more articles with the same subject classes 46E22 15A45