Quadratic LYM-type inequalities for intersecting Sperner families
Let $\mathcal{F}\subseteq 2^{[n]}$ be a intersecting Sperner family (i.e. $A \not\subset B, A \cap B \neq \emptyset$ for all $A,B \in \mathcal{F}$) with profile vector $(f_i)_{i=0 \ldots n}$ (i.e. $f_i=|\mathcal{F} \cap \binom{[n]}{i}|$). We present quadratic inequalities in the $f_i$'s which sharpe...
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| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
Discrete Mathematics & Theoretical Computer Science
2005-01-01
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| Schriftenreihe: | Discrete Mathematics & Theoretical Computer Science |
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| Online-Zugang: | https://dmtcs.episciences.org/3418/pdf |
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