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< | 51-XX | 51Bxx >
51-XX Geometry {For algebraic geometry, see 14-XX}
51Axx Linear incidence geometry
51A05   General theory and projective geometries
51A10   Homomorphism, automorphism and dualities
51A15   Structures with parallelism
51A20   Configuration theorems
51A25   Algebraization [See also 12Kxx, 20N05]
51A30   Desarguesian and Pappian geometries
51A35   Non-Desarguesian affine and projective planes
51A40   Translation planes and spreads
51A45   Incidence structures imbeddable into projective geometries
51A50   Polar geometry, symplectic spaces, orthogonal spaces
51A99   None of the above, but in this section
< | 51-XX | 51Bxx >
American Mathematical Society