Mathematical Sciences Classification System

51Dxx - Geometric closure systems

  • 51D05
    Abstract (Maeda) geometries
  • 51D10
    Abstract geometries with exchange axiom
  • 51D15
    Abstract geometries with parallelism
  • 1
    51D20
    Combinatorial geometries [See also 05B25, 05B35]
  • 51D25
    Lattices of subspaces [See also 05B35]
  • 51D30
    Continuous geometries and related topics [See also 06Cxx]
  • 51D99
    None of the above, but in this section

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