51Nxx Analytic and descriptive geometry
- 51N05 Descriptive geometry [See also 65D17, 68U07] (1)
- 51N10 Affine analytic geometry
- 51N15 Projective analytic geometry
- 51N20 Euclidean analytic geometry
- 51N25 Analytic geometry with other transformation groups
- 51N30 Geometry of classical groups [See also 20Gxx, 14L35]
- 51N35 Questions of classical algebraic geometry [See also 14Nxx]
- 51N99 None of the above, but in this section