Mathematics
- Reciprocity law in mathematics, including
- Quadratic reciprocity, a fundamental result in number theory
- Cubic reciprocity, theorems that state conditions under which the congruence x3 ≡ p (mod q) is solvable
- Quartic reciprocity, a collection of theorems in elementary and algebraic number theory that state conditions under which the congruence x4 ≡ p (mod q) is solvable
- Artin reciprocity law, a general theorem in number theory that provided a partial solution to Hilbert's ninth problem
- Reciprocity relation or exact differential, a mathematical differential of the form dQ, for some differentiable function Q
- Weil reciprocity for algebraic curves
- Reciprocal polynomials, the coefficients of the remainder polynomial are the bits of the CRC
- Reciprocal square root
- Reciprocity (projective geometry), a collineation from a projective space onto its dual space, taking points to hyperplanes (and vice versa) and preserving incidence
- Frobenius reciprocity, from group representation theory
- Reciprocity law for Dedekind sums
- Stanley's reciprocity theorem, states that a certain functional equation is satisfied by the generating function of any rational cone and the generating function of the cone's interior
- Hermite reciprocity for invariants of binary forms.
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Famous quotes containing the word mathematics:
“I must study politics and war that my sons may have liberty to study mathematics and philosophy.”
—John Adams (17351826)
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—Amelia E. Barr (18311919)