fhavet

TypePostAuthorRepliesLast post
Open problemWeighted colouring of hexagonal graphs. fhavet07 years 11 weeks ago
Open problemColouring the square of a planar graph fhavet07 years 11 weeks ago
categoryWegner fhavet07 years 11 weeks ago
Open problemList chromatic number and maximum degree of bipartite graphs fhavet07 years 11 weeks ago
Open problemHamilton decomposition of prisms over 3-connected cubic planar graphs fhavet07 years 11 weeks ago
Open problemTurán's problem for hypergraphs fhavet07 years 11 weeks ago
Open problem4-connected graphs are not uniquely hamiltonian fhavet07 years 11 weeks ago
categoryFleischner, Herbert fhavet07 years 11 weeks ago
categoryKrál, Daniel fhavet07 years 11 weeks ago
categoryRyjácek, Zdenek fhavet07 years 11 weeks ago
categoryVoss, Heinz-Jürgen fhavet07 years 11 weeks ago
Open problemEvery prism over a 3-connected planar graph is hamiltonian. fhavet07 years 11 weeks ago
categoryKaiser, Tomás fhavet07 years 11 weeks ago
Open problemHoàng-Reed Conjecture fhavet07 years 11 weeks ago
Open problemEdge-disjoint Hamilton cycles in highly strongly connected tournaments. fhavet07 years 12 weeks ago
Open problemHamilton cycle in small d-diregular graphs fhavet07 years 12 weeks ago
categoryMader, W. fhavet07 years 12 weeks ago
Open problemSwitching reconstruction of digraphs fhavet07 years 12 weeks ago
categoryBondy, J. Adrian fhavet07 years 12 weeks ago
categoryMercier, Fabien fhavet07 years 12 weeks ago
Open problemSwitching reconstruction conjecture fhavet07 years 12 weeks ago
categoryNash-Williams, Crispin, St. J. A. fhavet07 years 12 weeks ago
Open problemEvery 4-connected toroidal graph has a Hamilton cycle fhavet07 years 12 weeks ago
categoryFon-Der-Flasss, D. G. fhavet07 years 12 weeks ago
Open problemAcyclic list colouring of planar graphs. fhavet07 years 12 weeks ago