24 citations · 104 across the 24 of their papers we have counts for
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math.CO2015★ 21 cited
Perfect graphs of arbitrarily large clique-chromatic number
Pierre Charbit, Irena Penev, Stéphan Thomassé +1
We prove that there exist perfect graphs of arbitrarily large clique-chromatic number. These graphs can be obtained from cobipartite graphs by repeatedly gluing along cliques. This…
math.CO2015★ 4 cited
Limits of Structures and the Example of Tree-Semilattices
Pierre Charbit, Lucas Hosseini, Patrice Ossona de Mendez
The notion of left convergent sequences of graphs introduced by Lov\' asz et al. (in relation with homomorphism densities for fixed patterns and Szemerédi's regularity lemma) got i…