Lie Group
A continuous Group with an infinite number of elements such that the parameters of a product element areAnalytic Functions. Lie groups are also 
Manifolds with therestriction that the group operation maps a map of the Manifold into itself. Examples include
, 
, and the Lorentz Group.
References
Arfken, G. ``Infinite Groups, Lie Groups.'' Mathematical Methods for Physicists, 3rd ed. Orlando, FL: Academic Press, p. 251-252, 1985. Chevalley, C. Theory of Lie Groups. Princeton, NJ: Princeton University Press, 1946. Knapp, A. W. Lie Groups Beyond an Introduction. Boston, MA: Birkhäuser, 1996. Lipkin, H. J. Lie Groups for Pedestrians, 2nd ed. Amsterdam, Netherlands: North-Holland, 1966.
- Torsion (Group Theory)
- Torsion Number
- Torsion Tensor
- Torus
- Torus Coloring
- Torus Cutting
- Torus Knot
- Total Angular Defect
- Total Curvature
- Total Differential
- Total Function
- Total Intersection Theorem
- Total Order
- Total Space
- Totative
- Totient Function
- Totient Function Constants
- Totient Valence Function
- Touchard's Congruence
- Tour
- Tournament
- Tournament Matrix
- Tower of Power
- Towers of Hanoi
- T-Polyomino