M. Gottstein

1 citations · 1 across the 2 of their papers we have counts for

collaborators

2 papers

math.CO2023★ 1 cited

The Partial Partition Complex

Michael J. Gottstein

The set of partial partitions of ${1, \dots, n}$ , ordered by containment, forms an abstract simplicial complex $D_{n}$ whose vertices are the nonempty subsets of ${1, \dots, n}$ an…

math.CO2023

The Rhodes semilattice of a biased graph

Michael J. Gottstein, Thomas Zaslavsky

We reinterpret the Rhodes semilattices $R_{n} (G)$ of a group $G$ in terms of gain graphs and generalize them to all gain graphs, both as sets of partition-poten…