Cyclically 5-edge-connected odd 2-factor classification conjecture
Cyclically 5-edge-connected odd 2-factor classification conjecture
Let be a cyclically -edge-connected odd -factored snark, meaning that is a snark, every cycle in every -factor of is odd, and no edge cut of size at most four separates two components each containing a cycle. Let denote the Petersen graph and the Flower snark. Cyclically 5-edge-connected classification conjecture. If is a cyclically -edge-connected odd -factored snark, then is either the Petersen graph or the Flower snark for odd . This is a partial characterization problem for odd -factored snarks; the source gives no resolution of this proposed classification.
Sources & referencesView supporting material
Primary source
M. Abreu, D. Labbate, R. Rizzi and J. Sheehan, “Odd 2-factored snarks”, arXiv:1210.8101 (2013).
Additional references
3 papers in this index state this conjecture (2002–2012). The statement above is taken from the most recent of them; the others are arXiv:1002.1033, arXiv:math/0205047.
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