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C-groups of high rank for the symmetric groups

par Fernandes, Maria Elisa;Leemans, Dimitri
Référence Journal of algebra, 508, page (196-218)
Publication Publié, 2018-08

Article révisé par les pairs

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Résumé :

We give presentations for the C-groups of rank n−1 of the symmetric group Sn. We also classify C-groups of rank n−2 for Sn. We show that all these C-groups correspond to regular hypertopes, that is, thin, residually connected flag-transitive geometries. Therefore we generalise some similar results obtained in the framework of string C-groups that are in one-to-one correspondence with abstract regular polytopes.