2 papers
math.AC2024
The divisor class group of a discrete polymatroid
Jürgen Herzog, Takayuki Hibi, Somayeh Moradi +1
In this paper we introduce toric rings of multicomplexes. We show how to compute the divisor class group and the class of the canonical module when the toric ring is normal. In the…
math.AC2024
Binomial ideals attached to finite collections of cells
Jürgen Herzog, Takayuki Hibi, Somayeh Moradi
We consider the ideal of inner -minors of a finite set of cells , which we call the cell ideal of . A nice interpretation for the hei…