hàm tử
Sign in to saveAlso known as covariant functor, contravariant functor
In mathematics, specifically category theory, a functor is a mapping between categories. Functors were first considered in algebraic topology, where algebraic objects (such as the fundamental group) are associated to topological spaces, and maps between these algebraic objects are associated to continuous maps between spaces. Nowadays, functors are used throughout modern mathematics to relate various categories. Thus, functors are important in every area of mathematics where category theory is applied.
In the Vinony graph
Within Vinony's link graph, hàm tử is referenced by 601 other articles, and connects out to universal property, strict 2-category and continuous function.
It is catalogued under the topic Functors.
Its subject is documented across 29 Wikipedia language editions.
Wikidata facts
- Subclass of
- function
- Part of
- category theory
- Image
- Commutative diagram of a functor.svg
Show 6 more facts
- topic's main category
- Category:Functors
- discoverer or inventor
- Saunders Mac Lane
- Commons category
- Functors
- studied by
- category theory
- different from
- function object
- maintained by WikiProject
- WikiProject Mathematics
Sources (2)
via Wikidata · CC0