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Theses & Dissertations

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Vaughan, Theresa

uncg

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TitleDateViewsBrief Description
On union-closed families 2007 588 "A union-closed family is a non-empty finite collection of non-empty sets that is closed under unions. Peter Frankl conjectured in 1979 that given a union-closed family, then there exists an element that occurs in at least half of the member sets. De...