Abstract
We start with an example. Let Γ be a graph and G be a subgroup of its automorphism group. The group G is said to act s-transitively on Γ if it acts transitively on the set of paths of length s in Γ. Below, for a 1-transitive group G, s will be the largest integer such that G acts s-transitively. In [Tut] the following theorem was proved.
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Ivanov, A.A., Shpectorov, S.V. (1994). Applications of Group Amalgams to Algebraic Graph Theory. In: Faradžev, I.A., Ivanov, A.A., Klin, M.H., Woldar, A.J. (eds) Investigations in Algebraic Theory of Combinatorial Objects. Mathematics and Its Applications, vol 84. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-1972-8_14
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DOI: https://doi.org/10.1007/978-94-017-1972-8_14
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