Formulas
- Kobayashi metric
- Kochanek–Bartels spline
- Kodaira embedding theorem
- Kodaira vanishing theorem
- Kodaira–Spencer map
- Orbit capacity
- Order (ring theory)
- Order of approximation
- Ordered algebra
- Ordered exponential field
- Koebe quarter theorem
- Ordered field
- Kolmogorov's normability criterion
- Kolmogorov automorphism
- Kolmogorov complexity