• 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...
    8 KB (1,300 words) - 11:01, 9 October 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) - 06:11, 19 September 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) - 17:22, 8 October 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
  • 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
  • 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 (2,591 words) - 01:51, 8 October 2024
  • Thumbnail for PG(3,2)
    Steven H. Cullinane. The Doily diagram often used to represent the generalized quadrangle GQ(2, 2) is also used to represent PG(3, 2). This was described...
    9 KB (1,019 words) - 05:49, 13 October 2024
  • Thumbnail for Schläfli graph
    can be seen as the complement of the collinearity graph of the generalized quadrangle GQ(2, 4). The neighborhood of any vertex in the Schläfli graph forms...
    7 KB (738 words) - 07:15, 6 December 2023