Laplace Series
A function 
expressed as a double sum of Spherical Harmonics is called a Laplace series. Taking 
as a Complex Function,
 | (1) |
and integrate over 
and 
. | |
 | |
| (2) |
 | (3) |
 | (4) |
is the Kronecker Delta.For a Real series, consider
 | (5) |
 | |
 | (6) |
 | |
 | (7) |
and 
are given by |  |  | (8) |
 | |  | (9) |
- Site Percolation
- Siteswap
- Six-Color Theorem
- Skein Relationship
- Skeleton
- Skeleton Division
- Skew Conic
- Skewes Number
- Skew Field
- Skew Lines
- Skewness
- Skew Polyomino
- Skew Quadrilateral
- Skew Symmetric Matrix
- Sklar's Theorem
- Skolem-Mahler-Lerch Theorem
- Skolem Paradox
- Skolem Sequence
- Slant Height
- Slice Knot
- Slide Move
- Slide Rule
- Slightly Defective Number
- Slightly Excessive Number
- Slip Knot