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math.CO2015
List coloring digraphs
Julien Bensmail, Ararat Harutyunyan, Ngoc Khang Le
The dichromatic number of a digraph is the least number such that the vertex set of can be partitioned into parts each of which induces an acyclic subdig…
math.CO2015
Disjoint cycles of different lengths in graphs and digraphs
Julien Bensmail, Ararat Harutyunyan, Ngoc Khang Le +2
Understanding how the cycles of a graph or digraph behave in general has always been an important point of graph theory. In this paper, we study the question of finding a set of $k…