functor
in category theory, a mapping between categories that preserves their structure (identity morphisms, composition of morphisms)
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functor
Summary
functor has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[1]
Key Facts
- functor is credited with the discovery of Samuel Eilenberg[2].
- functor is credited with the discovery of Saunders Mac Lane[3].
- functor is a type of function[4].
- functor is part of category theory[5].
- functor's Commons category is recorded as Functors[6].
- functor's topic's main category is recorded as Category:Functors[7].
- functor's different from is recorded as function object[8].
- functor's properties for this type is recorded as P1568[9].
- functor's properties for this type is recorded as P1571[10].
- functor's studied by is recorded as category theory[11].
- functor's maintained by WikiProject is recorded as WikiProject Mathematics[12].
Body
Definition and Type
functor is a type of function[4].
Use and Application
functor is part of category theory[5].
Why It Matters
functor has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[1] functor is known by 30 alternative names across languages and contexts.[13]