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Last post
Open problem
Do any three longest paths in a connected graph have a vertex in common?
fhavet
1
1 year 2 days ago
Open problem
Monochromatic reachability in arc-colored digraphs
fhavet
0
7 years 28 weeks ago
Open problem
Steinberg's conjecture
fhavet
1
8 years 5 weeks ago
category
directed path
fhavet
0
11 years 16 weeks ago
Open problem
Erdős-Posa property for long directed cycles
fhavet
0
11 years 16 weeks ago
category
Maia, Ana Karolinna
fhavet
0
11 years 16 weeks ago
Open problem
Large acyclic induced subdigraph in a planar oriented graph.
fhavet
0
11 years 16 weeks ago
category
Harutyunyan, Ararat
fhavet
0
11 years 16 weeks ago
Open problem
Cyclic spanning subdigraph with small cyclomatic number
fhavet
0
11 years 19 weeks ago
category
Yuster, Raphael
fhavet
0
11 years 21 weeks ago
Open problem
Minimum number of arc-disjoint transitive subtournaments of order 3 in a tournament
fhavet
0
11 years 21 weeks ago
Open problem
Arc-disjoint directed cycles in regular directed graphs
fhavet
0
11 years 22 weeks ago
category
Molloy, Michael
fhavet
0
11 years 22 weeks ago
category
Giroire, Frédéric
fhavet
0
11 years 31 weeks ago
category
Araújo, Julio
fhavet
0
11 years 31 weeks ago
category
Cohen, Nathann
fhavet
0
11 years 31 weeks ago
category
, Giroire, Frédéric
fhavet
0
11 years 31 weeks ago
Open problem
Decomposing k-arc-strong tournament into k spanning strong digraphs
fhavet
0
11 years 31 weeks ago
category
feedback arc set
fhavet
0
11 years 31 weeks ago
category
PTAS
fhavet
0
11 years 31 weeks ago
category
Ailon, Nir
fhavet
0
11 years 31 weeks ago
Open problem
PTAS for feedback arc set in tournaments
fhavet
0
11 years 31 weeks ago
category
Ailon, N
fhavet
0
11 years 31 weeks ago
category
Tournaments
fhavet
0
11 years 31 weeks ago
Open problem
Partitionning a tournament into k-strongly connected subtournaments.
fhavet
0
11 years 31 weeks ago
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