2 papers
math.CO2012
Construction of Permutation Snarks
Jonas Hägglund, Arthur Hoffmann-Ostenhof
A permutation snark is a snark which has a 2-factor consisting of two chordless circuits; is called the permutation 2-factor of . We construct an infinite family $\m…
math.CO2012
On snarks that are far from being 3-edge colorable
Jonas Hägglund
In this note we construct two infinite snark families which have high oddness and low circumference compared to the number of vertices. Using this construction, we also give a coun…