contravariant
Adjective

contravariant (not comparable)

  1. (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
  2. (object-oriented programming) Using or relating to contravariance.
  3. (linear algebra, of a vector) Scaling inversely with a change of basis.
Translations
  • French: contravariant
  • German: kontravariant
  • Portuguese: contravariante
Translations Noun

contravariant (plural contravariants)

  1. (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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