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TypePostAuthorRepliesLast post
Open problemMonochromatic reachability in arc-colored digraphs fhavet05 years 12 weeks ago
Open problemSteinberg's conjecture fhavet15 years 41 weeks ago
categorydirected path fhavet09 years 1 week ago
Open problemErdős-Posa property for long directed cycles fhavet09 years 1 week ago
categoryMaia, Ana Karolinna fhavet09 years 1 week ago
Open problemLarge acyclic induced subdigraph in a planar oriented graph. fhavet09 years 1 week ago
categoryHarutyunyan, Ararat fhavet09 years 1 week ago
Open problemCyclic spanning subdigraph with small cyclomatic number fhavet09 years 4 weeks ago
categoryYuster, Raphael fhavet09 years 6 weeks ago
Open problemMinimum number of arc-disjoint transitive subtournaments of order 3 in a tournament fhavet09 years 6 weeks ago
Open problemArc-disjoint directed cycles in regular directed graphs fhavet09 years 6 weeks ago
categoryMolloy, Michael fhavet09 years 6 weeks ago
categoryGiroire, Frédéric fhavet09 years 15 weeks ago
categoryAraújo, Julio fhavet09 years 15 weeks ago
categoryCohen, Nathann fhavet09 years 15 weeks ago
category, Giroire, Frédéric fhavet09 years 15 weeks ago
Open problemDecomposing k-arc-strong tournament into k spanning strong digraphs fhavet09 years 15 weeks ago
categoryfeedback arc set fhavet09 years 15 weeks ago
categoryPTAS fhavet09 years 15 weeks ago
categoryAilon, Nir fhavet09 years 15 weeks ago
Open problemPTAS for feedback arc set in tournaments fhavet09 years 15 weeks ago
categoryAilon, N fhavet09 years 15 weeks ago
categoryTournaments fhavet09 years 15 weeks ago
Open problemPartitionning a tournament into k-strongly connected subtournaments. fhavet09 years 15 weeks ago
categoryMcDiarmid, Colin fhavet09 years 16 weeks ago