• Thumbnail for Generalized quadrangle
    a generalized quadrangle is an incidence structure whose main feature is the lack of any triangles (yet containing many quadrangles). A generalized quadrangle...
    7 KB (1,300 words) - 06:17, 1 May 2024
  • studied as combinatorial objects. A polar space of rank two is a generalized quadrangle; in this case, in the latter definition, the set of points of a...
    6 KB (689 words) - 20:09, 5 August 2024
  • Thumbnail for Generalized polygon
    special cases projective planes (generalized triangles, n = 3) and generalized quadrangles (n = 4). Many generalized polygons arise from groups of Lie...
    11 KB (1,471 words) - 05:16, 7 March 2024
  • alpha subunit, a class of proteins Generalized quadrangle, a type of incidence structure in mathematics Generalized quantifier, a type of expression in...
    1 KB (196 words) - 03:44, 24 June 2023
  • n-gon that contains them both. Generalized 3-gons are projective planes. Generalized 4-gons are called generalized quadrangles. By the Feit-Higman theorem...
    27 KB (3,316 words) - 07:34, 29 August 2023
  • Thumbnail for Tutte–Coxeter graph
    It is bipartite, and can be constructed as the Levi graph of the generalized quadrangle W2 (known as the Cremona–Richmond configuration). The graph is named...
    6 KB (686 words) - 07:24, 6 December 2023
  • Thumbnail for Incidence structure
    incidence structures 1. Fano plane 2. Non-uniform structure 3. Generalized quadrangle 4. Möbius–Kantor configuration 5. Pappus configuration An incidence...
    19 KB (2,590 words) - 02:17, 30 August 2023
  • 112 and 162 vertices. The former is the colinearity graph of the generalized quadrangle GQ(3,9). The latter is a strongly regular graph called the local...
    2 KB (152 words) - 00:22, 22 April 2024
  • Thumbnail for Oval (projective plane)
    of generalized quadrangles", Congressus Numerantium, 49: 115–128, MR 0830735 Payne, Stanley E.; Conklin, James E. (1978), "An unusual generalized quadrangle...
    33 KB (4,186 words) - 06:38, 23 April 2024
  • Thumbnail for Strongly regular graph
    line graph of K8, but these four graphs are not isomorphic. Every generalized quadrangle of order (s, t) gives an srg((s + 1)(st + 1), s(t + 1), s − 1, t...
    20 KB (3,355 words) - 16:56, 17 June 2024