Volume 19, Issue 2 Natália Bebiano João da Providência A Fiedler-type theorem for the determinant of J-positive matrices 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 Natália Bebiano João da Providência Find more articles with the same keywords J-selfadjoint matrix indefinite norm determinant Find more articles with the same subject classes 46C20 47A12