Combinatorial Geometry
- Borsuk's Conjecture
- Circle Covering
- Combinatorial Geometry
- Cover
- Disk Covering Problem
- Fano's Geometry
- Five Disks Problem
- Five Point Geometry
- Four Line Geometry
- Helly's Theorem
- Illumination Problem
- Kepler Conjecture
- Kuperberg's Six-Cylinder Conjecture
- Pick's Theorem
- Sperner's Lemma
- Three Point Geometry
- Young's Geometry