Volume 1, Issue 3 Shaun M. Fallat Charles R. Johnson Hadamard duals, retractability and Oppenheim's inequality 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 Shaun M. Fallat Charles R. Johnson Find more articles with the same keywords Hadamard products P-matrices positive semidefinite matrices M-matrices inverse M-matrices Oppenheim's inequality Totally nonnegative matrices retractability determinantal inequalities Find more articles with the same subject classes 15A48 15A57