Algebraic Closure
The algebraic closure of a Field 
is the ``smallest'' Field containing which is algebraically closed.For example, the Field of Complex Numbers 
is the algebraic closure of theField of Reals 
.
- Anarboricity
- Anchor
- Anchor Ring
- And
- Anderson-Darling Statistic
- Andrews Cube
- Nilpotent Lie Group
- Nilpotent Matrix
- Nim
- Nim-Heap
- Nim-Sum
- Nim-Value
- n-in-a-Row
- Nine-Point Center
- Nine-Point Circle
- Nine-Point Conic
- Nint
- Nint Zeta Function
- Nirenberg's Conjecture
- Niven Number
- Niven's Constant
- n-minex
- Nobbs Points
- Noble Number
- Node (Algebraic Curve)