Correspondence may refer to:
*In general usage, non-concurrent, remote
communication
Communication is commonly defined as the transmission of information. Its precise definition is disputed and there are disagreements about whether Intention, unintentional or failed transmissions are included and whether communication not onl ...
between people, including
letters,
email
Electronic mail (usually shortened to email; alternatively hyphenated e-mail) is a method of transmitting and receiving Digital media, digital messages using electronics, electronic devices over a computer network. It was conceived in the ...
,
newsgroups
A Usenet newsgroup is a repository usually within the Usenet system for messages posted from users in different locations using the Internet. They are not only discussion groups or conversations, but also a repository to publish articles, start ...
,
Internet forums,
blogs
A blog (a Clipping (morphology), truncation of "weblog") is an informational website consisting of discrete, often informal diary-style text entries also known as posts. Posts are typically displayed in Reverse chronology, reverse chronologic ...
.
Science
*
Correspondence principle
In physics, a correspondence principle is any one of several premises or assertions about the relationship between classical and quantum mechanics.
The physicist Niels Bohr coined the term in 1920 during the early development of quantum theory; ...
(physics): quantum physics theories must agree with classical physics theories when applied to large quantum numbers
*
Correspondence principle (sociology)
The correspondence principle or correspondence thesis is a sociological theory that posits a close relationship between social standing and the educational system. Writers in this vein (notably Gary Watson and Diep Tran) are in particular interest ...
, the relationship between social class and available education
*
Correspondence problem
The correspondence problem refers to the problem of ascertaining which parts of one image correspond to which parts of another image, where differences are due to movement of the camera, the elapse of time, and/or movement of objects in the photo ...
(computer vision), finding depth information in stereography
*Regular sound correspondence (linguistics), see
Comparative method (linguistics)
In linguistics, the comparative method is a technique for studying the development of languages by performing a feature-by-feature comparison of two or more languages with common descent from a shared ancestor and then extrapolating backwards t ...
Mathematics
*
Binary relation
In mathematics, a binary relation associates some elements of one Set (mathematics), set called the ''domain'' with some elements of another set called the ''codomain''. Precisely, a binary relation over sets X and Y is a set of ordered pairs ...
**
Mathematical correspondence
Mathematics is a field of study that discovers and organizes methods, theories and theorems that are developed and proved for the needs of empirical sciences and mathematics itself. There are many areas of mathematics, which include numbe ...
, a more general term than
bijection
In mathematics, a bijection, bijective function, or one-to-one correspondence is a function between two sets such that each element of the second set (the codomain) is the image of exactly one element of the first set (the domain). Equival ...
**
Multivalued function
In mathematics, a multivalued function, multiple-valued function, many-valued function, or multifunction, is a function that has two or more values in its range for at least one point in its domain. It is a set-valued function with additional p ...
*
Correspondence (algebraic geometry), between two algebraic varieties
*
Corresponding sides and corresponding angles
In geometry, the tests for congruence and similarity involve comparing corresponding sides and corresponding angles of polygons. In these tests, each side and each angle in one polygon is paired with a side or angle in the second polygon, tak ...
, between two polygons
*
Correspondence (category theory), the opposite of a profunctor
*
Correspondence (von Neumann algebra)
In mathematics, a von Neumann algebra or W*-algebra is a *-algebra of bounded operators on a Hilbert space that is closed in the weak operator topology and contains the identity operator. It is a special type of C*-algebra.
Von Neumann alg ...
or bimodule, a type of Hilbert space
*
Correspondence analysis
Correspondence analysis (CA) is a multivariate statistical technique proposed by Herman Otto Hartley (Hirschfeld) and later developed by Jean-Paul Benzécri. It is conceptually similar to principal component analysis, but applies to categorical ...
, a multivariate statistical technique
Philosophy and religion
*
Correspondence theory of truth
In metaphysics and philosophy of language, the correspondence theory of truth states that the truth or falsity of a statement is determined only by how it relates to the world and whether it accurately describes (i.e., corresponds with) that worl ...
, a theory in epistemology
*
Correspondence (theology)
Correspondence is a relationship between two levels of existence. The term was coined by the 18th-century theologian Emanuel Swedenborg in his '' Arcana Cœlestia'' (1749–1756), '' Heaven and Hell'' (1758) and other works.
Swedenborg
Definitio ...
, the relationship between spiritual and physical realities
*
Table of magical correspondences
A table of magical correspondences is a list of magical correspondences between items belonging to different categories, such as correspondences between certain deities, heavenly bodies, plants, perfumes, precious stones, etc. Such lists were co ...
, list of relations between various items used in ceremonial magic
Entertainment
*
Correspondence chess
Correspondence chess is chess played by various forms of long-distance correspondence, traditionally through the postal system. Today it is usually played through a correspondence chess server, a public internet chess forum, or email. Less commo ...
played between different geographical locations
*
''Correspondence'' (album), a 1983 studio album by singer and musician Peter Godwin
*''
The Correspondence
''The Correspondence'' () is an English-language Italian romantic film written and directed by Giuseppe Tornatore. It stars Jeremy Irons and Olga Kurylenko in lead roles, and was released on 14 January 2016. The film score was composed by E ...
'', a 2016 film by Giuseppe Tornatore, featuring Jeremy Irons
*
''Correspondences'' (Babbitt), a 1967 musical work by Milton Babbitt
Other uses
*Correspondence course, a
distant education
Distance education, also known as distance learning, is the education of students who may not always be physically present at school, or where the learner and the teacher are separated in both time and distance; today, it usually involves online ...
method
See also
*
Correspondent (disambiguation)
*
La Correspondencia (disambiguation)
{{disambiguation