Abstract
It is shown that a necessary condition for an abstract group G to be the full automorphism group of a Hamiltonian cycle system is that G has odd order or it is either binary, or the affine linear group AGL(1, p) with p prime. We show that this condition is also sufficient except possibly for the class of non-solvable binary groups.
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Acknowledgments
Work of Marco Buratti and Tommaso Traetta performed under the auspicies of the G.N.S.A.G.A. of the C.N.R. (National Research Council) of Italy and supported by M.I.U.R. project “Disegni combinatorici, grafi e loro applicazioni, PRIN 2008”. Tommaso Traetta was supported by a fellowship of INdAM.
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Buratti, M., Lovegrove, G.J. & Traetta, T. On the Full Automorphism Group of a Hamiltonian Cycle System of Odd Order. Graphs and Combinatorics 31, 1855–1865 (2015). https://doi.org/10.1007/s00373-015-1584-8
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DOI: https://doi.org/10.1007/s00373-015-1584-8