%0 Journal Article %A Dealba, Luz M. %A Grout, Jason %A Hogben, Leslie %A Mikkelson, Rana %A Rasmussen, Kaela %T Universally optimal matrices and field independence of the minimum rank of a graph %J The electronic journal of linear algebra %D 2009 %P 403-419 %V 18 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELA_2009__18__a25/ %G en %F ELA_2009__18__a25