fhavet

TypePostAuthorRepliesLast post
Open problemWeighted colouring of hexagonal graphs. fhavet06 years 32 weeks ago
Open problemColouring the square of a planar graph fhavet06 years 32 weeks ago
categoryWegner fhavet06 years 32 weeks ago
Open problemList chromatic number and maximum degree of bipartite graphs fhavet06 years 32 weeks ago
Open problemHamilton decomposition of prisms over 3-connected cubic planar graphs fhavet06 years 32 weeks ago
Open problemTurán's problem for hypergraphs fhavet06 years 32 weeks ago
Open problem4-connected graphs are not uniquely hamiltonian fhavet06 years 32 weeks ago
categoryFleischner, Herbert fhavet06 years 32 weeks ago
categoryKrál, Daniel fhavet06 years 32 weeks ago
categoryRyjácek, Zdenek fhavet06 years 32 weeks ago
categoryVoss, Heinz-Jürgen fhavet06 years 32 weeks ago
Open problemEvery prism over a 3-connected planar graph is hamiltonian. fhavet06 years 32 weeks ago
categoryKaiser, Tomás fhavet06 years 32 weeks ago
Open problemHoàng-Reed Conjecture fhavet06 years 32 weeks ago
Open problemEdge-disjoint Hamilton cycles in highly strongly connected tournaments. fhavet06 years 32 weeks ago
Open problemHamilton cycle in small d-diregular graphs fhavet06 years 32 weeks ago
categoryMader, W. fhavet06 years 32 weeks ago
Open problemSwitching reconstruction of digraphs fhavet06 years 33 weeks ago
categoryBondy, J. Adrian fhavet06 years 33 weeks ago
categoryMercier, Fabien fhavet06 years 33 weeks ago
Open problemSwitching reconstruction conjecture fhavet06 years 33 weeks ago
categoryNash-Williams, Crispin, St. J. A. fhavet06 years 33 weeks ago
Open problemEvery 4-connected toroidal graph has a Hamilton cycle fhavet06 years 33 weeks ago
categoryFon-Der-Flasss, D. G. fhavet06 years 33 weeks ago
Open problemAcyclic list colouring of planar graphs. fhavet06 years 33 weeks ago