Proportional fairness

Proportional fairness may refer to:
 * Proportional division - a division of a resource among $$n$$ partners such that each partner receives a part worth for him at least $$1/n$$ of the whole.
 * Proportional-fair rule - a rule for selecting between alternatives. Aims to attain a balance between efficiency and fairness.
 * Proportional-fair scheduling - a network scheduling algorithm based on similar principles.
 * Proportional representation in electoral systems.