Formulas
- Low-discrepancy sequence
- Lower convex envelope
- Lower limit topology
- Nagell–Lutz theorem
- Narrowing of algebraic value sets
- Natural transformation
- Nehari manifold
- Neighbourhood (mathematics)
- Nesbitt's inequality
- Network theory
- Neumann boundary condition
- Nevanlinna theory
- Niven's theorem
- Noether's second theorem
- Noether inequality