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TypePostAuthorRepliesLast post
Open problemEarth-Moon Problem fhavet010 years 12 weeks ago
Open problemTriangle-packing vs triangle edge-transversal. fhavet010 years 12 weeks ago
Open problemOdd-cycle transversal in triangle-free graphs fhavet010 years 12 weeks ago
Open problemSimultaneous partition of hypergraphs fhavet010 years 12 weeks ago
Open problemComplexity of the H-factor problem. fhavet010 years 12 weeks ago
Open problemSubgraph of large average degree and large girth. fhavet010 years 12 weeks ago
Open problemTurán number of a finite family. fhavet010 years 12 weeks ago
Open problemSubdivision of a transitive tournament in digraphs with large outdegree. fhavet010 years 12 weeks ago
Open problemLarge induced forest in a planar graph. fhavet010 years 12 weeks ago
Open problemLovász Path Removal Conjecture fhavet010 years 12 weeks ago
Open problemPartition of a cubic 3-connected graphs into paths of length 2. fhavet010 years 12 weeks ago
Open problemDecomposing an eulerian graph into cycles with no two consecutives edges on a prescribed eulerian tour. fhavet010 years 12 weeks ago
Open problemDecomposing an eulerian graph into cycles. fhavet010 years 12 weeks ago
Open problemDecomposing a connected graph into paths. fhavet010 years 12 weeks ago
Open problemDo any three longest paths in a connected graph have a vertex in common? fhavet010 years 12 weeks ago
Open problemColoring the union of degenerate graphs fhavet010 years 12 weeks ago
Open problemArc-disjoint strongly connected spanning subdigraphs fhavet010 years 13 weeks ago
Open problemArc-disjoint out-branching and in-branching fhavet010 years 13 weeks ago
Open problemDoes every subcubic triangle-free graph have fractional chromatic number at most 14/5? Andrew King110 years 13 weeks ago
Open problemStrong edge colouring conjecture fhavet010 years 13 weeks ago
Open problemLong directed cycles in diregular digraphs fhavet010 years 13 weeks ago
Open problemSplitting a digraph with minimum outdegree constraints fhavet010 years 13 weeks ago
Open problemStable set meeting all longest directed paths. fhavet010 years 13 weeks ago
Open problemÁdám's Conjecture fhavet010 years 13 weeks ago
Open problemCaccetta-Häggkvist Conjecture fhavet010 years 13 weeks ago