| 51A05 |
- |
General theory and projective geometries |
| 51A10 |
- |
Homomorphism, automorphism and dualities |
| 51A15 |
- |
Structures with parallelism |
| 51A20 |
- |
Configuration theorems |
| 51A25 |
- |
Algebraization |
| 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 |
- |
Miscellaneous |
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