Volume 6, Issue 4 Olga Y. Kushel Spectra and approximations of a class of sign-symmetric 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 Olga Y. Kushel Find more articles with the same keywords totally positive matrices sign-symmetric matrices irreducible matrices compound matrices exterior powers Gantmacher-Krein theorem eigenvalues Find more articles with the same subject classes 15A48 15A18 15A75