Non-solvable $2$-arc-transitive covers of Petersen graphs
Jiyong Chen, Cai Heng Li, Ci Xuan Wu, Yan Zhou Zhu·2025-03-10·via math.CO updates on arXiv.org
We construct connected $2$-arc-transitive covers of the Petersen graph with non-solvable transformation groups, solving the long-standing problem for the existence of such covers.