fhavet

TypePostAuthorRepliesLast post
Open problemDo any three longest paths in a connected graph have a vertex in common? fhavet122 weeks 2 days ago
Open problemMonochromatic reachability in arc-colored digraphs fhavet06 years 50 weeks ago
Open problemSteinberg's conjecture fhavet17 years 27 weeks ago
categorydirected path fhavet010 years 38 weeks ago
Open problemErdős-Posa property for long directed cycles fhavet010 years 38 weeks ago
categoryMaia, Ana Karolinna fhavet010 years 38 weeks ago
Open problemLarge acyclic induced subdigraph in a planar oriented graph. fhavet010 years 38 weeks ago
categoryHarutyunyan, Ararat fhavet010 years 38 weeks ago
Open problemCyclic spanning subdigraph with small cyclomatic number fhavet010 years 41 weeks ago
categoryYuster, Raphael fhavet010 years 43 weeks ago
Open problemMinimum number of arc-disjoint transitive subtournaments of order 3 in a tournament fhavet010 years 43 weeks ago
Open problemArc-disjoint directed cycles in regular directed graphs fhavet010 years 44 weeks ago
categoryMolloy, Michael fhavet010 years 44 weeks ago
categoryGiroire, Frédéric fhavet011 years 1 week ago
categoryAraújo, Julio fhavet011 years 1 week ago
categoryCohen, Nathann fhavet011 years 1 week ago
category, Giroire, Frédéric fhavet011 years 1 week ago
Open problemDecomposing k-arc-strong tournament into k spanning strong digraphs fhavet011 years 1 week ago
categoryfeedback arc set fhavet011 years 1 week ago
categoryPTAS fhavet011 years 1 week ago
categoryAilon, Nir fhavet011 years 1 week ago
Open problemPTAS for feedback arc set in tournaments fhavet011 years 1 week ago
categoryAilon, N fhavet011 years 1 week ago
categoryTournaments fhavet011 years 1 week ago
Open problemPartitionning a tournament into k-strongly connected subtournaments. fhavet011 years 1 week ago