Geometric characterization of the sporadic groups Fi22, Fi23, and Fi24

Let Σ1, …, Σ4 be the 3-transposition graphs for Fischer's sporadic groups Fi21, …, Fi24. We classify connected locally Σi graphs gQ = gQi+1 for i = 1, 2, 3. In the minimal case i = 1 we also assume that for every nondegenerate 4-circuit abcd the subgraph Θ(a, b, c, d) is isomorphic to the disjo...

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Main Author: Pasechnik, Dmitrii V.
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2013
Online Access:https://hdl.handle.net/10356/87920
http://hdl.handle.net/10220/9439
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-879202023-02-28T19:23:56Z Geometric characterization of the sporadic groups Fi22, Fi23, and Fi24 Pasechnik, Dmitrii V. School of Physical and Mathematical Sciences Let Σ1, …, Σ4 be the 3-transposition graphs for Fischer's sporadic groups Fi21, …, Fi24. We classify connected locally Σi graphs gQ = gQi+1 for i = 1, 2, 3. In the minimal case i = 1 we also assume that for every nondegenerate 4-circuit abcd the subgraph Θ(a, b, c, d) is isomorphic to the disjoint union of three copies of K3,3. If i = 1, 2 then Θ is isomorphic to Σi+1, whereas if i = 3 then Θ is isomorphic either to Σ4 or to its 3-fold antipodal cover 3Σ4. Accepted version 2013-04-03T07:59:21Z 2019-12-06T16:52:08Z 2013-04-03T07:59:21Z 2019-12-06T16:52:08Z 1994 1994 Journal Article Pasechnik, D. V. (1994). Geometric characterization of the sporadic groups Fi22, Fi23, and Fi24. Journal of Combinatorial Theory, Series A, 68(1), 100-114. 0097-3165 https://hdl.handle.net/10356/87920 http://hdl.handle.net/10220/9439 10.1016/0097-3165(94)90093-0 en Journal of combinatorial theory, series A © 1994 Academic Press, Inc. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of Combinatorial Theory, Series A, Academic Press, Inc. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1016/0097-3165(94)90093-0]. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
description Let Σ1, …, Σ4 be the 3-transposition graphs for Fischer's sporadic groups Fi21, …, Fi24. We classify connected locally Σi graphs gQ = gQi+1 for i = 1, 2, 3. In the minimal case i = 1 we also assume that for every nondegenerate 4-circuit abcd the subgraph Θ(a, b, c, d) is isomorphic to the disjoint union of three copies of K3,3. If i = 1, 2 then Θ is isomorphic to Σi+1, whereas if i = 3 then Θ is isomorphic either to Σ4 or to its 3-fold antipodal cover 3Σ4.
author2 School of Physical and Mathematical Sciences
author_facet School of Physical and Mathematical Sciences
Pasechnik, Dmitrii V.
format Article
author Pasechnik, Dmitrii V.
spellingShingle Pasechnik, Dmitrii V.
Geometric characterization of the sporadic groups Fi22, Fi23, and Fi24
author_sort Pasechnik, Dmitrii V.
title Geometric characterization of the sporadic groups Fi22, Fi23, and Fi24
title_short Geometric characterization of the sporadic groups Fi22, Fi23, and Fi24
title_full Geometric characterization of the sporadic groups Fi22, Fi23, and Fi24
title_fullStr Geometric characterization of the sporadic groups Fi22, Fi23, and Fi24
title_full_unstemmed Geometric characterization of the sporadic groups Fi22, Fi23, and Fi24
title_sort geometric characterization of the sporadic groups fi22, fi23, and fi24
publishDate 2013
url https://hdl.handle.net/10356/87920
http://hdl.handle.net/10220/9439
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