Complex Multiplication
Two Complex Numbers 
and 
are multiplied as follows:
 |  |  | |
|  |
However, the multiplication can be carried out using only three Real multiplications,
, 
, and
as
Complex multiplication has a special meaning for Elliptic Curves.
See also Complex Number, Elliptic Curve, Imaginary Part, Multiplication, Real Part
References
Cox, D. A. Primes of the Form 
: Fermat, Class Field Theory and Complex Multiplication. New York: Wiley, 1997.
- Astroid Pedal Curve
- Astroid Radial Curve
- Asymptosy
- Asymptote
- Asymptotic
- Asymptotic Curve
- Asymptotic Direction
- Asymptotic Notation
- Asymptotic Series
- Atiyah-Singer Index Theorem
- Atkin-Goldwasser-Kilian-Morain Certificate
- Atomic Statement
- Attraction Basin
- Attractor
- Auction
- Augend
- Augmented Amicable Pair
- Augmented Dodecahedron
- Augmented Hexagonal Prism
- Augmented Pentagonal Prism
- Augmented Polyhedron
- Augmented Sphenocorona
- Augmented Triangular Prism
- Augmented Tridiminished Icosahedron
- Augmented Truncated Cube