Geodesic
On the Dual König Property of the Order-interval Hypergraph of Two Classes of N-free Posets
Canadian mathematical bulletin, Tome 60 (2017) no. 1, pp. 43-53

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DOI

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.
DOI : 10.4153/CMB-2016-036-8
Mots-clés : 05C65, poset, interval, N-free, hypergraph, König property, dual König property 
Bouchemakh, Isma; Fatma, Kaci. On the Dual König Property of the Order-interval Hypergraph of Two Classes of N-free Posets. Canadian mathematical bulletin, Tome 60 (2017) no. 1, pp. 43-53. doi: 10.4153/CMB-2016-036-8
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     title = {On the {Dual} {K\"onig} {Property} of the {Order-interval} {Hypergraph} of {Two} {Classes} of {N-free} {Posets}},
     journal = {Canadian mathematical bulletin},
     pages = {43--53},
     year = {2017},
     volume = {60},
     number = {1},
     doi = {10.4153/CMB-2016-036-8},
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