Semisimple Lie Group
A Lie Group which has a simply connected covering group Homeomorphic to 
. The prototype is anyconnected closed subgroup of upper Triangular Complex Matrices. TheHeisenberg Group is such a group.
References
Knapp, A. W. ``Group Representations and Harmonic Analysis, Part II.'' Not. Amer. Math. Soc. 43, 537-549, 1996.
- Gram-Schmidt Orthonormalization
- Gram Series
- Gram's Inequality
- Granny Knot
- Graph (Function)
- Graph (Graph Theory)
- Graphical Partition
- Graph Theory
- Graph Two-Coloring
- Grassmann Algebra
- Grassmann Coordinates
- Grassmann Manifold
- Gray Code
- Great Circle
- Great Cubicuboctahedron
- Great Deltoidal Hexecontahedron
- Great Deltoidal Icositetrahedron
- Great Dirhombicosidodecacron
- Great Dirhombicosidodecahedron
- Great Disdyakis Dodecahedron
- Great Disdyakis Triacontahedron
- Great Ditrigonal Dodecacronic Hexecontahedron
- Great Ditrigonal Dodecicosidodecahedron
- Great Ditrigonal Icosidodecahedron
- Great Dodecacronic Hexecontahedron