Mathematical Inequalities & Applications · Volume 19, Issue 2 A Fiedler-type theorem for the determinant of J-positive matrices 19-47 Pages 663-669 DOI 10.7153/mia-19-47 Downloads Short PDF Full PDF PNG Authors Natália Bebiano João da Providência Keywords J-selfadjoint matrix indefinite norm determinant Subject classes 46C20 47A12