Galois connection

Meaning

Noun

• A type of correspondence between partially ordered sets (posets), also applicable to preordered sets.

Related

Narrower meaning words

• isotone Galois connection, monotone Galois connection
• antitone Galois connection

Broader meaning words

• adjunction

Origin

• From Galois (attributive form of Galois theory) + connection; ultimately after French mathematician Évariste Galois. Coined by Norwegian mathematician Øystein Ore in 1944, '', Transactions of the American Mathematical Society'', 55, pages 493-513.