Geometry
========

.. toctree::
   :hidden:

   ProjectiveGeometry/index-projective-geometry
   AffineGeometry/index-affine-geometry
   Polytopes/index-polytopes
   IncidenceStructures/index-incidence-structures

.. grid:: 1 2 3 3
   :gutter: 3
   :class-container: index-topic-grid

   .. grid-item-card:: Projective Geometry
      :link: ProjectiveGeometry/index-projective-geometry
      :link-type: doc

      Projective spaces, collineations and projective varieties.

   .. grid-item-card:: Affine Geometry
      :link: AffineGeometry/index-affine-geometry
      :link-type: doc

      Affine spaces, transformations and configurations.

   .. grid-item-card:: Polytopes
      :link: Polytopes/index-polytopes
      :link-type: doc

      Convex polytopes, faces, f-vectors and symmetry groups.

   .. grid-item-card:: Incidence Structures
      :link: IncidenceStructures/index-incidence-structures
      :link-type: doc

      Designs, hypergraphs and incidence geometry.