Incidence Geometry: Mathematical Structure, Graph (mathematics), Rank (mathematics)

Partial Geometry: Incidence Structure, Integer, Graph (mathematics), Strongly Regular

Inversive Plane: Incidence Structure, Mathematics, Steiner System

Szemerédi's Theorem: Szemerédi Trotter Theorem, Mathematics, Combinatorial Geometry, Incidence (Geometry)

Spectral Triple: Noncommutative Geometry, Mathematics, Mathematical Physics