ex 1.5.12 (a) (first edition), ex 1.5.11 (a) (second printing)
I think that we should require that the graph has no isolated vertices, because then if it is arc-transitive it has to be both vertex and edge transitive.
The blog of the book by J.A. Bondy and U.S.R. Murty
I think that we should require that the graph has no isolated vertices, because then if it is arc-transitive it has to be both vertex and edge transitive.
Yes, you’re right. Thank you.