# Geometry

Finite PlanesPoint-line sets, incidence and support in finite planes.

[Finite Planes](FinitePlanes/index-finite-planes.md)Incidence GeometryIncidence structures, residues and their conversion between representations.

[Incidence Geometry](IncidenceGeometry/index-incidence-geometry.md)Convex Polytopes and PolyhedraConvex polytopes, faces, f-vectors and symmetry groups.

[Convex Polytopes and Polyhedra](Polytopes/index-polytopes.md)