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Symmetry type graphs of polytopes and maniplexesCunningham, Gabe ...A ▫$k$▫-orbit maniplex is one that has ▫$k$▫ orbits of flags under the action of its automorphism group. In this paper we extend the notion of symmetry type graphs of maps to that of maniplexes and ... polytopes and make use of them to study ▫$k$▫-orbit maniplexes, as well as fully-transitive 3-maniplexes. In particular, we show that there are no fully-transtive ▫$k$▫-orbit 3-mainplexes with ▫$k > 1$▫ an odd number, we classify 3-orbit mainplexes and determine all face transitivities for 3- and 4-orbit maniplexes. Moreover, we give generators of the automorphism group of a polytope or a maniplex, given its symmetry type graph. Finally, we extend these notions to oriented polytopes, in particular we classify oriented 2-orbit maniplexes and give generators for their orientation preserving automorphism group.Source: Annals of combinatorics. - ISSN 0218-0006 (Vol. 19, iss. 2, 2015, str. 243-268)Type of material - article, component partPublish date - 2015Language - englishCOBISS.SI-ID - 17921113
Author
Cunningham, Gabe |
Río Francos, María del |
Hubard, Isabel |
Toledo, Micael, matematik
Topics
abstract polytope |
regular graph |
edge-colouring |
maniplex
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Cunningham, Gabe | ![]() |
Río Francos, María del | 32079 |
Hubard, Isabel | ![]() |
Toledo, Micael, matematik | 39104 |
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