ADM, MOHAMMAD; ALMUHTASEB, KHAWLA; Abedel Ghani, Ayed; Garloff, Jürgen
(Konstanzer Schriften in Mathematik, 2020-02-01)
Totally nonnegative matrices, i.e., matrices having all their minors nonnegative, and
6 matrix intervals with respect to the checkerboard partial order are considered. It is proven that if the
7 two bound matrices of ...