Computing the integral closure of an affine semigroup
Winfried Bruns and Robert Koch
Universitatis Iagellonicae Acta Mathematica, Fasciculus XXXIX, (2001), 59-70.
Normaliz: Algorithms for affine monoids and rational cones
Winfried Bruns and Bogdan Ichim
Journal of Algebra 324, No. 5, (2010), 1098-1113.
Challenging computations of Hilbert bases of cones associated with algebraic statistics
Winfried Bruns, Raymond Hemmecke, Bogdan Ichim, Matthias Koeppe and Christof Soeger
Experimental Mathematics 20, No. 1, (2011), 25-33.
The power of pyramid decomposition in Normaliz
Winfried Bruns, Bogdan Ichim and Christof Soeger
Preprint arxiv:1206.1916v3.