2 papers
math.GR2020
On Atomic Density of Numerical Semigroup Algebras
A. A. Antoniou, R. A. C. Edmonds, B. Kubik +2
A numerical semigroup is a cofinite, additively-closed subset of the nonnegative integers that contains . In this paper, we initiate the study of atomic density, an asymptot…
math.CO2017
The Graph of Critical Pairs of a Crown
Fidel Barrera-Cruz, Rebecca Garcia, Pamela Harris +5
There is a natural way to associate with a poset a hypergraph , called the hypergraph of critical pairs, so that the dimension of is exactly equal to the chromatic numbe…