Operators and Matrices · Volume 6, Issue 4 Spectra and approximations of a class of sign-symmetric matrices 06-48 Pages 735-755 DOI 10.7153/oam-06-48 Downloads Short PDF Full PDF PNG Authors Olga Y. Kushel Keywords totally positive matrices sign-symmetric matrices irreducible matrices compound matrices exterior powers Gantmacher-Krein theorem eigenvalues Subject classes 15A48 15A18 15A75