16-Cell
A finite regular 4-D Polytope with Schläfli Symbol 
andVertices which are the Permutations of (
, 0, 0, 0).
- k-ary Divisor
- Katona's Problem
- Kauffman Polynomial F
- Kauffman Polynomial X
- k-Chain
- k-Circuit
- k-Coloring
- Kei
- Keith Number
- Keller's Conjecture
- Kelvin Functions
- Kelvin's Conjecture
- Kelvin Transformation
- Kempe Linkage
- Kepler Conjecture
- Kepler-Poinsot Solid
- Kepler Problem
- Kepler's Equation
- Kepler's Folium
- Kepler Solid
- Ker
- Keratoid Cusp
- Kernel (Integral)
- Kernel (Linear Algebra)
- Kernel Polynomial