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Look up conjugation in Wiktionary, the free dictionary. |
- Conjugal redirects here. For the type of prison visit, see conjugal visit.
Conjugation may refer to:
- Grammatical conjugation, the modification of a verb from its basic form, including:
- Marriage, relationship between two or more individuals.
In mathematics:
- Complex conjugation, the operation which multiplies the imaginary part of a complex number by −1;
- conjugate element (field theory), a generalization of complex conjugation
- The conjugate transpose of a matrix with complex entries is created by taking the transpose of the matrix and the complex conjugate of each entry.
- Conjugate (algebra), used to rationalize the denominator of a fraction.
- In group theory, various notions are called conjugation:
- inner automorphism, a type of conjugation homomorphism
- conjugacy class, the image of an element under the conjugation homomorphisms
- conjugate closure, the image of a subgroup under the conjugation homomorphisms
- conjugation of isometries in Euclidean space, an explicit description of the images of elements under conjugation in a special case
- Topological conjugation, which identifies equivalent dynamical systems.
- Conjugate points, in differential geometry.
- Conjugate prior, in probability theory, a family of prior probability distributions.
- Convex conjugate, generalization of the Legendre transformation. Also known as Legendre-Fenchel transformation or Fenchel transformation.
- conformal conjugation in complex dynamics
In the biosciences:
- bacterial conjugation, transfer of DNA without fusion
- conjugate vaccine, in immunology
In chemistry:
- Brønsted-Lowry acid-base theory, describes a conjugate acid-base pair
- conjugated system, in organic chemistry, a system of atoms covalently bonded with alternating single and multiple bonds.
In physics:
- Conjugate variables (thermodynamics), the internal energy of a system.
- Conjugate quantities, in quantum physics, are observables that are linked by the Heisenberg uncertainty principle, such as position and momentum.
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