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- In graph theory, a BF-graph is a type of directed hypergraph where each hyperedge is directed either to one particular vertex or away from one particular vertex. In a directed hypergraph, each hyperedge may be directed away from some of its vertices (its tails) and towards some others of its vertices (its heads).A hyperedge that is directed to a single head vertex, and away from all its other vertices, is called a B-arch. Symmetrically, a hyperedge that is directed away from a single tail vertex, and towards all its other vertices, is called an F-arc. A hypergraph with only B-arcs is a B-graph and a hypergraph with only F-arcs is a F-graph. (en)
- En théorie des graphes, un BF-graphe est un hypergraphe orienté où tous les hyperarcs sont soit des B-arcs, soit des F-arcs. Un B-arc est un hyperarc orienté dont la tête est de taille , tandis qu'un F-arc est un hyperarc orienté dont la queue est de taille . (fr)
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- 1346 (xsd:nonNegativeInteger)
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- En théorie des graphes, un BF-graphe est un hypergraphe orienté où tous les hyperarcs sont soit des B-arcs, soit des F-arcs. Un B-arc est un hyperarc orienté dont la tête est de taille , tandis qu'un F-arc est un hyperarc orienté dont la queue est de taille . (fr)
- In graph theory, a BF-graph is a type of directed hypergraph where each hyperedge is directed either to one particular vertex or away from one particular vertex. In a directed hypergraph, each hyperedge may be directed away from some of its vertices (its tails) and towards some others of its vertices (its heads).A hyperedge that is directed to a single head vertex, and away from all its other vertices, is called a B-arch. Symmetrically, a hyperedge that is directed away from a single tail vertex, and towards all its other vertices, is called an F-arc. (en)
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- BF-graph (en)
- BF-graphe (fr)
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