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A counterexample to Aharoni's strongly maximal matching conjecture - MaRDI portal

A counterexample to Aharoni's strongly maximal matching conjecture (Q1910586)

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scientific article; zbMATH DE number 858118
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A counterexample to Aharoni's strongly maximal matching conjecture
scientific article; zbMATH DE number 858118

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    A counterexample to Aharoni's strongly maximal matching conjecture (English)
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    25 March 1996
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    Aharoni conjectured that in every family \(A\) of finite sets a subfamily \(B\) of disjoint sets exists, so that no replacement of \(k\) of them by more than \(k\) sets from \(A\) results again in a subfamily of disjoint sets. The authors present as a counterexample the family of those finite subets of the set of natural numbers whose cardinality and smallest element coincide.
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    strongly maximal matching
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    Aharoni's conjecture
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    infinite hypergraph
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    counterexample
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