Look up correspondence in Wiktionary, the free dictionary.

Correspondence may refer to:

• In general usage, non-concurrent, remote communication between people, including letters, email, newsgroups, Internet forums, blogs.

Science

• Correspondence principle (physics): quantum physics theories must agree with classical physics theories when applied to large quantum numbers
• Correspondence principle (sociology), the relationship between social class and available education
• Correspondence problem (computer vision), finding depth information in stereography
• Regular sound correspondence (linguistics), see Comparative method (linguistics)

Mathematics

• Binary relation
  • 1:1 correspondence, an older name for a bijection
  • Multivalued function
• Correspondence (algebraic geometry), between two algebraic varieties
• Corresponding sides and corresponding angles, between two polygons
• Correspondence (category theory), the opposite of a profunctor
• Correspondence (von Neumann algebra) or bimodule, a type of Hilbert space
• Correspondence analysis, a multivariate statistical technique

Philosophy and religion

• Correspondence theory of truth, a theory in epistemology
• Correspondence (theology), the relationship between spiritual and physical realities
• Table of magical correspondences, list of relations between various items used in ceremonial magic

Entertainment

• Correspondence chess played between different geographical locations
• Correspondence (album), a 1983 studio album by singer and musician Peter Godwin
• The Correspondence, 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 method

See also

• Correspondent (disambiguation)
• La Correspondencia (disambiguation)

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