Infinite arc-transitive and highly-arc-transitive digraphs

Autor: Norbert Seifter, Primož Potočnik, Rögnvaldur G. Möller
Rok vydání: 2019
Předmět:
Zdroj: European Journal of Combinatorics. 77:78-89
ISSN: 0195-6698
DOI: 10.1016/j.ejc.2018.10.010
Popis: A detailed description of the structure of two-ended arc-transitive digraphs is given. It is also shown that several sets of conditions, involving such concepts as Property Z, local quasi-primitivity and prime out-valency, imply that an arc-transitive digraph must be highly-arc-transitive. These are then applied to give a complete classification of two-ended highly-arc-transitive digraphs with prime in- and out-valencies.
To appear in European Journal of Combinatorics. Statements of Corollaries 14, 16 and 17 corrected
Databáze: OpenAIRE