contravariant
Adjective
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Adjective
contravariant (not comparable)
- (category theory, of a functor) Which reverses the order of morphism composition: formally, which associates each morphism f:X \to Y to a morphism F(f):F(Y) \to F(X).
- Antonyms: covariant
- (object-oriented programming) Using or relating to contravariance.
- (linear algebra, of a vector) Scaling inversely with a change of basis.
- French: contravariant
- German: kontravariant
- Portuguese: contravariante
- French: contravariant
- German: kontravariant
contravariant (plural contravariants)
- (algebra) A bihomogeneous polynomial in dual variables of x, y, ... and the coefficients of some homogeneous form in x, y, ... that is invariant under some group of linear transformations.
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