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On the Dual König Property of the Order-interval Hypergraph of Two Classes of N-free Posets
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- Journal:
- Canadian Mathematical Bulletin / Volume 60 / Issue 1 / 01 March 2017
- Published online by Cambridge University Press:
- 20 November 2018, pp. 43-53
- Print publication:
- 01 March 2017
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- Article
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Let
$P$ be a finite 
$\text{N}$-free poset. We consider the hypergraph 
$H\left( P \right)$ whose vertices are the elements of $P$ and whose edges are the maximal intervals of $P$. We study the dual König property of $H\left( P \right)$ in two subclasses of $\text{N}$-free class.
