2 papers
math.GR2026
On automorphism groups of half-arc-transitive tetravalent graphs
Yuandong Li, Binzhou Xia, Jin-Xin Zhou
We characterize connected tetravalent graphs which admit groups of automorphisms such that is -half-arc-transitive and -arc-transitive. Examples for each case…
math.CO2025
On tetravalent half-arc-transitive graphs
Jin-Xin Zhou
Vertex-stabilizers of trivalent edge-transitive graphs have been classified by Tutte, Goldschmidt and some others in several previous papers. Tetravalent half-arc-transitive graphs…