3 citations · 4 across the 3 of their papers we have counts for
3 papers
math.CO2015★ 1 cited
Domination and Closure
John L. Pfaltz
An expansive, monotone operator is dominating; if it is also idempotent it is a closure operator. Although they have distinct properties, these two kinds of discrete operators are…
cs.DM2013
The Irreducible Spine(s) of Undirected Networks
John L. Pfaltz
Using closure concepts, we show that within every undirected network, or graph, there is a unique irreducible subgraph which we call its "spine". The chordless cycles which compris…
math.CO2012★ 3 cited
Entropy in Social Networks
John L. Pfaltz
We introduce the concepts of closed sets and closure operators as mathematical tools for the study of social networks. Dynamic networks are represented by transformations. It is sh…