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Last post
Open problem
Monochromatic reachability in arc-colored digraphs
fhavet
0
1 year 50 weeks ago
Open problem
Steinberg's conjecture
fhavet
1
2 years 27 weeks ago
category
directed path
fhavet
0
5 years 38 weeks ago
category
Maia, Ana Karolinna
fhavet
0
5 years 39 weeks ago
Open problem
Large acyclic induced subdigraph in a planar oriented graph.
fhavet
0
5 years 39 weeks ago
category
Harutyunyan, Ararat
fhavet
0
5 years 39 weeks ago
Open problem
Cyclic spanning subdigraph with small cyclomatic number
fhavet
0
5 years 42 weeks ago
category
Yuster, Raphael
fhavet
0
5 years 44 weeks ago
Open problem
Minimum number of arc-disjoint transitive subtournaments of order 3 in a tournament
fhavet
0
5 years 44 weeks ago
Open problem
Arc-disjoint directed cycles in regular directed graphs
fhavet
0
5 years 44 weeks ago
category
Molloy, Michael
fhavet
0
5 years 44 weeks ago
category
Giroire, Frédéric
fhavet
0
6 years 1 week ago
category
Araújo, Julio
fhavet
0
6 years 1 week ago
category
Cohen, Nathann
fhavet
0
6 years 1 week ago
category
, Giroire, Frédéric
fhavet
0
6 years 1 week ago
Open problem
Decomposing k-arc-strong tournament into k spanning strong digraphs
fhavet
0
6 years 1 week ago
category
feedback arc set
fhavet
0
6 years 1 week ago
category
PTAS
fhavet
0
6 years 1 week ago
category
Ailon, Nir
fhavet
0
6 years 1 week ago
Open problem
PTAS for feedback arc set in tournaments
fhavet
0
6 years 1 week ago
category
Ailon, N
fhavet
0
6 years 1 week ago
category
Tournaments
fhavet
0
6 years 1 week ago
Open problem
Partitionning a tournament into k-strongly connected subtournaments.
fhavet
0
6 years 1 week ago
category
McDiarmid, Colin
fhavet
0
6 years 1 week ago
Open problem
Weighted colouring of hexagonal graphs.
fhavet
0
6 years 1 week ago
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Singmaster's conjecture
Waring rank of determinant
Monochromatic vertex colorings inherited from Perfect Matchings
Cycle Double Covers Containing Predefined 2-Regular Subgraphs
Monochromatic reachability in arc-colored digraphs
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