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math.CO2019★ 2 cited
The Alon-Tarsi Number of A Toroidal Grid
Zhiguo Li, Zeling Shao, Fedor Petrov +1
The Alon-Tarsi number of a graph is the smallest for which there is an orientation of with max indegree such that the number of even and odd circulati…
math.CO2019
Proof of the List Coloring Conjecture for line perfect multigraphs
Alexey Gordeev
We prove that for a line perfect multigraph the chromatic index is equal to the list chromatic index. This is a generalization of Galvin's result on bipartite multigraphs. Soon aft…