About: Property B

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In mathematics, Property B is a certain set theoretic property. Formally, given a finite set X, a collection C of subsets of X has Property B if we can partition X into two disjoint subsets Y and Z such that every set in C meets both Y and Z. The property gets its name from mathematician Felix Bernstein, who first introduced the property in 1908. The problem of checking whether a collection C has Property B is called the set splitting problem.

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  • En mathématiques, dans la théorie des jeux, un ensemble peut posséder la propriété B. Concrètement, en prenant un jeu fini X, une collection C de sous-jeux de X de taille n; X possède la propriété B ssi on peut séparer X en deux sous-jeux distincts Y et Z, tels que chaque jeu de C corresponde à la fois à Y et à Z. Le plus petit nombre de jeux de taille n qui n'ont pas la propriété B est noté m(n). (fr)
  • In mathematics, Property B is a certain set theoretic property. Formally, given a finite set X, a collection C of subsets of X has Property B if we can partition X into two disjoint subsets Y and Z such that every set in C meets both Y and Z. The property gets its name from mathematician Felix Bernstein, who first introduced the property in 1908. Property B is equivalent to 2-coloring the hypergraph described by the collection C. A hypergraph with property B is also called 2-colorable. Sometimes it is also called bipartite, by analogy to the bipartite graphs.Property B is often studied for uniform hypergraphs (set systems in which all subsets of the system have the same cardinality) but it has also been considered in the non-uniform case. The problem of checking whether a collection C has Property B is called the set splitting problem. (en)
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  • En mathématiques, dans la théorie des jeux, un ensemble peut posséder la propriété B. Concrètement, en prenant un jeu fini X, une collection C de sous-jeux de X de taille n; X possède la propriété B ssi on peut séparer X en deux sous-jeux distincts Y et Z, tels que chaque jeu de C corresponde à la fois à Y et à Z. Le plus petit nombre de jeux de taille n qui n'ont pas la propriété B est noté m(n). (fr)
  • In mathematics, Property B is a certain set theoretic property. Formally, given a finite set X, a collection C of subsets of X has Property B if we can partition X into two disjoint subsets Y and Z such that every set in C meets both Y and Z. The property gets its name from mathematician Felix Bernstein, who first introduced the property in 1908. The problem of checking whether a collection C has Property B is called the set splitting problem. (en)
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  • Propriété B (fr)
  • Property B (en)
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