- Daftar masalah matematika yang belum terpecahkan
- Hipotesis Riemann
- Terence Tao
- De Bruijn–Erdős theorem
- De Bruijn–Erdős theorem (graph theory)
- De Bruijn–Erdős theorem (incidence geometry)
- Nicolaas Govert de Bruijn
- Incidence geometry
- List of things named after Paul Erdős
- Proofs from THE BOOK
- De Bruijn
- List of theorems
- Four color theorem
