2 papers
math.RA2016
Factorization of CP-rank-3 completely positive matrices
Jan Brandts, Michal Krizek
A symmetric positive semi-definite matrix A is called completely positive if there exists a matrix B with nonnegative entries such that A=BB^T. If B is such a matrix with a minimal…
math.CO2012
There are only two nonobtuse binary triangulations of the unit -cube
Jan Brandts, Sander Dijkhuis, Vincent de Haan +1
Triangulations of the cube into a minimal number of simplices without additional vertices have been studied by several authors over the past decades. For this so-ca…