Definition from Wiktionary, the free dictionary
adjunction (plural adjunctions)
- The act of joining; the thing joined or added.
- (category theory) A form of similarity between a pair of categories, which are mapped to each other by a pair of adjoint functors which come with a related pair of natural transformations called unit and counit which satisfy a pair of triangular identities.
- (law) The joining of personal property owned by one to that owned by another.
the act of joining
the thing joined or added
a form of similarity between a pair of categories mapped to each other by dual morphisms
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