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math.CO2018
Which graphs occur as -graphs?
Matt DeVos, Adam Dyck, Jonathan Jedwab +1
The -graph of a graph is the graph whose vertices are labelled by the minimum dominating sets of , in which two vertices are adjacent when their corresponding minimum dom…
math.CO2018
A new structure for difference matrices over abelian -groups
Koen van Greevenbroek, Jonathan Jedwab
A difference matrix over a group is a discrete structure that is intimately related to many other combinatorial designs, including mutually orthogonal Latin squares, orthogonal arr…