组合数学 (Fall 2017)/Extremal set theory: Revision history

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2 December 2017

  • curprev 13:3213:32, 2 December 2017‎ imported>Etone‎ 33,145 bytes +33,145‎ Created page with "== Sunflowers == An set system is a '''sunflower''' if all its member sets intersect at the same set of elements. {{Theorem|Definition (sunflower)| : A set family <math>\mathc..."
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