59 citations · 338 across the 95 of their papers we have counts for
Showing 2016 · math.COShow all
3 papers · 2 filters
math.CO2016
Algebraic properties of chromatic roots
Peter J. Cameron, Kerri Morgan
A \emph{chromatic root} is a root of the chromatic polynomial of a graph. Any chromatic root is an algebraic integer. Much is known about the location of chromatic roots in the rea…
math.CO2016★ 6 cited
Triple arrays from difference sets
Tomas Nilson, Peter J. Cameron
This paper addresses the question whether triple arrays can be constructed from Youden squares developed from difference sets. We prove that if the difference set is abelian, then…
math.CO2016
On the structure of the power graph and the enhanced power graph of a group
Ghodratollah Aalipour, Saieed Akbari, Peter J. Cameron +2
Let be a group. The \emph{power graph} of is a graph with the vertex set , having an edge between two elements whenever one is a power of the other. We characterize nilp…