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TypePostAuthorRepliesLast post
categoryMcDiarmid, Colin fhavet013 years 5 days ago
Open problemWeighted colouring of hexagonal graphs. fhavet013 years 5 days ago
Open problemColouring the square of a planar graph fhavet013 years 6 days ago
categoryWegner fhavet013 years 6 days ago
Open problemList chromatic number and maximum degree of bipartite graphs fhavet013 years 1 week ago
Open problemHamilton decomposition of prisms over 3-connected cubic planar graphs fhavet013 years 1 week ago
Open problemTurán's problem for hypergraphs fhavet013 years 1 week ago
Open problem4-connected graphs are not uniquely hamiltonian fhavet013 years 1 week ago
categoryFleischner, Herbert fhavet013 years 1 week ago
categoryKrál, Daniel fhavet013 years 1 week ago
categoryRyjácek, Zdenek fhavet013 years 1 week ago
categoryVoss, Heinz-Jürgen fhavet013 years 1 week ago
Open problemEvery prism over a 3-connected planar graph is hamiltonian. fhavet013 years 1 week ago
categoryKaiser, Tomás fhavet013 years 1 week ago
Open problemHoàng-Reed Conjecture fhavet013 years 1 week ago
Open problemEdge-disjoint Hamilton cycles in highly strongly connected tournaments. fhavet013 years 1 week ago
Open problemHamilton cycle in small d-diregular graphs fhavet013 years 1 week ago
categoryMader, W. fhavet013 years 1 week ago
Open problemSwitching reconstruction of digraphs fhavet013 years 1 week ago
categoryBondy, J. Adrian fhavet013 years 1 week ago
categoryMercier, Fabien fhavet013 years 1 week ago
Open problemSwitching reconstruction conjecture fhavet013 years 1 week ago
categoryNash-Williams, Crispin, St. J. A. fhavet013 years 1 week ago
Open problemEvery 4-connected toroidal graph has a Hamilton cycle fhavet013 years 1 week ago
categoryFon-Der-Flasss, D. G. fhavet013 years 1 week ago