Dirichlet Kernel
The Dirichlet kernel 
is obtained by integrating the Character 
over the Ball 
,
The Dirichlet kernel of a Delta Sequence is given by
The integral of this kernel is called the Dirichlet Integral
.See also Delta Sequence, Dirichlet Integrals, Dirichlet's Lemma- Gibbs Phenomenon
- Gigantic Prime
- Gilbrat's Distribution
- Gilbreath's Conjecture
- Gill's Method
- Gingerbreadman Map
- Girard's Spherical Excess Formula
- Girko's Circular Law
- Girth
- Giuga Number
- Giuga's Conjecture
- Giuga Sequence
- Glaisher-Kinkelin Constant
- Glide
- Glissette
- Global C(G;T) Theorem
- Global Extremum
- Global Maximum
- Global Minimum
- Globe
- Glove Problem
- Glue Vector
- Gnomic Number
- Gnomon
- Gnomonic Projection