Barnette conjectured that each planar, bipartite, cubic, and 3-connected graph is hamiltonian. We prove that this conjecture is equivalent to the statement that there is a constant c > 0 such that each graph G of this class contains a path on at least c|V (G)| vertices.
@article{bwmeta1.element.doi-10_7151_dmgt_1643, author = {Jochen Harant}, title = {A Note on Barnette's Conjecture}, journal = {Discussiones Mathematicae Graph Theory}, volume = {33}, year = {2013}, pages = {133-137}, zbl = {1291.05107}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.doi-10_7151_dmgt_1643} }
Jochen Harant. A Note on Barnette’s Conjecture. Discussiones Mathematicae Graph Theory, Tome 33 (2013) pp. 133-137. http://gdmltest.u-ga.fr/item/bwmeta1.element.doi-10_7151_dmgt_1643/
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