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A characterization of the Petersen-type geometry of the McLaughlin group (1998)  (Make Corrections)  (1 citation)
B. Baumeister, A.A. Ivanov, D.V. Pasechnik



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Abstract: The McLaughlin sporadic simple group McL is the flag-transitive automorphism group of a Petersen-type geometry G = G(McL) with the diagram P 3 3 : 1 ffi 1 ffi P 2 ffi 2 ffi; where the edge in the middle indicates the geometry of vertices and edges of the Petersen graph. The elements corresponding to the nodes from the left to the right on the diagram P 3 3 are called points, lines, triangles and planes, respectively. The residue in G of a point is the P 3 -geometry G(Mat 22 ) of the... (Update)

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.... , f i) 2 , gh) 2 , gi) 2 , hi) 2 , j 2 , d j) 2 e, # j, ad # , c j) 3 , j f ) 2 gi, jb) 2 eg # [Baumeister et.al. 2000], which has a quotient isomorphic McL exposed by the extra relators (acb) 8 and ( jca) 7 . Let N be the kernel of this quotient b : G #McL. The...

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B. Baumeister, A. A. Ivanov, and D. V. Pasechnik, A characterization of the Petersen-type geometry of the McLaughlin group, Math. Proc. Cambridge Philos. Soc. 128 (2000), no. 1, 21--44. http://citeseer.ist.psu.edu/baumeister98characterization.html   More

@misc{ baumeister00characterization,
  author = "B. Baumeister and A. Ivanov and D. Pasechnik",
  title = "A characterization of the Petersen-type geometry of the McLaughlin group",
  text = "B. Baumeister, A. A. Ivanov, and D. V. Pasechnik, A characterization of
    the Petersen-type geometry of the McLaughlin group, Math. Proc. Cambridge
    Philos. Soc. 128 (2000), no. 1, 21--44.",
  year = "2000",
  url = "citeseer.ist.psu.edu/baumeister98characterization.html" }
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