Absolute Convergence
A Series 
is said to Converge absolutely if the Series 
Converges, where 
denotes the Absolute Value. If a Series isabsolutely convergent, then the sum is independent of the order in which terms are summed. Furthermore, if the Series ismultiplied by another absolutely convergent series, the product series will also converge absolutely.
References
Bromwich, T. J. I'a and MacRobert, T. M. ``Absolute Convergence.'' Ch. 4 in An Introduction to the Theory of Infinite Series, 3rd ed. New York: Chelsea, pp. 69-77, 1991.
- Chiral
- Chi-Squared Distribution
- Chi-Squared Test
- Choice Axiom
- Choice Number
- Cholesky Decomposition
- Choose
- Choquet Theory
- Chord
- Chordal
- Chordal Theorem
- Chow Coordinates
- Chow Ring
- Chow Variety
- Christoffel-Darboux Formula
- Christoffel-Darboux Identity
- Christoffel Formula
- Christoffel Number
- Christoffel Symbol of the First Kind
- Christoffel Symbol of the Second Kind
- Chromatic Number
- Chromatic Polynomial
- Chu Identity
- Church's Theorem
- Church's Thesis