32 citations · 45 across the 9 of their papers we have counts for
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math.CO2007
Graphs with chromatic roots in the interval (1,2)
Gordon F. Royle
We present an infinite family of 3-connected non-bipartite graphs with chromatic roots in the interval (1,2) thus resolving a conjecture of Jackson's in the negative. In addition,…
math.CO2007
Matroids with nine elements
Dillon Mayhew, Gordon F. Royle
We describe the computation of a catalogue containing all matroids with up to nine elements, and present some fundamental data arising from this cataogue. Our computation confirms…