Adjacency Relation
The Set 
of Edges of a Graph 
, being a set ofunordered pairs of elements of 
, constitutes a Relation on . Formally, an adjacency relation is any Relation which is Irreflexive and Symmetric.
- Grossman's Constant
- Grothendieck's Constant
- Grothendieck's Theorem
- Ground Set
- Group
- Group Convolution
- Groupoid
- Group Orthogonality Theorem
- Group Ring
- Group Theory
- Growth
- Growth Function
- Growth Spiral
- Grundy's Game
- Grundy-Sprague Number
- Gröbner Basis
- Grössencharakter
- G-Space
- Gudermannian Function
- Guldinus Theorem
- Gumbel's Distribution
- Guthrie's Problem
- Gutschoven's Curve
- Guy's Conjecture
- Gyrate Bidiminished Rhombicosidodecahedron