%0 Journal Article %A Dorsey, Jonathan %A Gannon, Tom %A Johnson, Charles R. %A Turnansky, Morrison %T New results about semi-positive matrices %J Czechoslovak Mathematical Journal %D 2016 %P 621-632 %V 66 %N 3 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-016-0282-x/ %R 10.1007/s10587-016-0282-x %G en %F 10_1007_s10587_016_0282_x