Philip DeOrsey

most citedOn the Strong Chromatic Index of Sparse Graphs

4 citations · 4 across the 2 of their papers we have counts for

collaborators

2 papers

math.CO2021

A Classification of Hyperfocused 12-Arcs

Philip DeOrsey, Stephen G. Hartke, Jason Williford

A $k$ -arc in PG( $2, q$ ) is a set of $k$ points no three of which are collinear. A hyperfocused $k$ -arc is a $k$ -arc in which the $(2 k)$ secants meet some external line in exa…

math.CO2015★ 4 cited

On the Strong Chromatic Index of Sparse Graphs

Philip DeOrsey, Jennifer Diemunsch, Michael Ferrara +7

The strong chromatic index of a graph $G$ , denoted $χ_{s}^{'} (G)$ , is the least number of colors needed to edge-color $G$ so that edges at distance at most two receive distinct colors.…