3 papers
math.CO2026
Four class association scheme double covers of strongly regular graphs
Patrick Cesarz, Jason Williford
In this paper we give necessary conditions for 4-class association schemes that are generated by double covers of strongly regular graphs. These conditions are applied to open case…
math.CO2024
Properties of Sub-Add Move Graphs
Patrick Cesarz, Eugene Fiorini, Charles Gong +3
We introduce the notion of a move graph, that is, a directed graph whose vertex set is a -module , and whose arc set is uniquely determined by the action…
math.CO2023
On the automorphism group of a putative Conway 99-graph
Patrick G. Cesarz, Andrew J. Woldar
Let be a {Conway 99-graph}, that is, a strongly regular graph with parameters . In Makhnev and Minakova (On automorphisms of strongly regular graphs with parameter…