Compactness Theorem
Inside a Ball 
in 
,
is compact under the Flat Norm.
References
Morgan, F. ``What Is a Surface?'' Amer. Math. Monthly 103, 369-376, 1996.
- Cochleoid Inverse Curve
- Cochloid
- Cochran's Theorem
- Cocked Hat Curve
- Cocktail Party Graph
- Coconut
- Codazzi Equations
- Code
- Codimension
- Coding Theory
- Coefficient
- Coefficient Field
- Coercive Functional
- Cofactor
- Cohen-Kung Theorem
- Cohomology
- Cohomotopy Group
- Coin
- Coincidence
- Coin Flipping
- Coin Paradox
- Coin Problem
- Coin Tossing
- Colatitude
- Colinear