Problem 12.15: Tutte's Conjecture on 3-Edge Colorings

M. Kochol's disproof of Jaeger and Swart's conjecture, that any snark has girth at most 6, has been published:

M. Kochol, Snarks without Small Cycles, J. Combin. Theory Ser. B 67, 34-47, 1996.

August 1997, Tommy R. Jensen

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Last modified August 28, 1997 Tommy R. Jensen