quadratic reciprocity

English - English

Definition of quadratic reciprocity in English English dictionary

Mathematical theorem relating the Jacobi symbol \left({a \over b}\right) to the inverted \left({b \over a}\right), essentially relating the question of whether a is a square modulo b to the opposite question of whether b is a square modulo a (or modulo the prime factors)

Hyphenation

quad·ra·tic re·ci·proc·i·ty

Etymology

() Quadratic refers to the squaring in the question addressed.