The Alon-Tarsi Number of A Toroidal Grid

Zhiguo Li, Zeling Shao, Fedor Petrov +1

The Alon-Tarsi number $AT(G)$ of a graph $G$ is the smallest $k$ for which there is an orientation $D$ of $G$ with max indegree $k-1$ such that the number of even and odd circulati…