contravariant
English
editAdjective
editcontravariant (not comparable)
- (category theory, of a functor) Which reverses the order of morphism composition: formally, which associates each morphism to a morphism .
- Antonym: covariant
- (object-oriented programming) Using or relating to contravariance.
- (linear algebra, of a vector) Scaling inversely with a change of basis.
Derived terms
editTranslations
editwhich reverses composition
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relating to contravariance
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Noun
editcontravariant (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.
Translations
edittranslation
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