Definition:Divisor

Number Theory

 * Definition:Divisor of Integer
 * Definition:Prime Divisor

Abstract Algebra

 * Definition:Divisor of Ring Element
 * Definition:Divisor of Polynomial

Riemann Surfaces

 * Definition:Divisor on Riemann Surface
 * Definition:Divisor on Compact Riemann Surface
 * Definition:Principal Divisor on Riemann Surface
 * Definition:Divisor of Meromorphic Function
 * Definition:Canonical Divisor on Riemann Surface

Algebraic Geometry

 * Definition:Divisor on Algebraic Variety
 * Definition:Divisor of Rational Function
 * Definition:Weil Divisor on Algebraic Variety
 * Definition:Cartier Divisor on Algebraic Variety

Also see

 * Definition:Divisible
 * Definition:Division