120-Cell

A finite regular 4-D Polytope with Schläfli Symbol (Coxeter 1969).

References

Coxeter, H. S. M. Introduction to Geometry, 2nd ed. New York: Wiley, p. 404, 1969.

• Radius (Graph)
• Radius of Convergence
• Radius of Curvature
• Radius of Gyration
• Radius of Torsion
• Radius Vector
• Radix
• Radon-Nikodym Theorem
• Radon Transform
• Radon Transform--Cylinder
• Radon Transform--Delta Function
• Radon Transform--Gaussian
• Radon Transform--Square
• Rado's Sigma Function
• Railroad Track Problem
• Ramanujan 6-10-8 Identity
• Ramanujan Constant
• Ramanujan Continued Fraction
• Ramanujan Cos/Cosh Identity
• Ramanujan-Eisenstein Series
• Ramanujan Function
• Ramanujan g- and G-Functions
• Ramanujan-Petersson Conjecture
• Ramanujan Psi Sum
• Ramanujan's Hypergeometric Identity