기초과학연구원 이산수학그룹
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Extending the classical theorem of Sperner on the maximum size of an antichain in the Boolean lattice, Katona and Tarján introduced a general extremal function $La(n,P)$, defined to be the maximum size of a family of subsets of $$ which does not contain a given poset $P$ among its containment relations. In this talk, I … |
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