2 papers
math.CO2018
Vertex-primitive s-arc-transitive digraphs of alternating and symmetric groups
Jiangmin Pan, Cixuan Wu, Fugang Yin
A fascinating problem on digraphs is the existence problem of the finiteupper bound on s for all vertex-primitive s-arc-transitive digraphs except directed cycles (which is known t…
math.CO2017
Pentavalent symmetric graphs of order four times an odd square-free integer
Bo Ling, Ben Gong Lou, Ci Xuan Wu
A graph is said to be symmetric if its automorphism group is transitive on its arcs. Guo et al. (Electronic J. Combin. 18, \#P233, 2011) and Pan et al. (Electronic J. Combin. 20, \…