- subfunctor
- подфунктор
English-Russian electronics dictionary .
subfunctor
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Subfunctor — In category theory, a branch of mathematics, a subfunctor is a special type of functor which is an analogue of a subset. Definition Let C be a category, and let F be a functor from C to the category Set of all sets. A functor G from C to Set is a … Wikipedia
Grothendieck topology — In category theory, a branch of mathematics, a Grothendieck topology is a structure on a category C which makes the objects of C act like the open sets of a topological space. A category together with a choice of Grothendieck topology is called a … Wikipedia
Concrete category — In mathematics, a concrete category is a category that is equipped with a faithful functor to the category of sets. This functor makes it possible to think of the objects of the category as sets with additional structure, and of its morphisms as… … Wikipedia
List of mathematics articles (S) — NOTOC S S duality S matrix S plane S transform S unit S.O.S. Mathematics SA subgroup Saccheri quadrilateral Sacks spiral Sacred geometry Saddle node bifurcation Saddle point Saddle surface Sadleirian Professor of Pure Mathematics Safe prime Safe… … Wikipedia
Sieve (category theory) — In category theory, a branch of mathematics, a sieve is a way of choosing arrows with a common codomain. It is a categorical analogue of a collection of open subsets of a fixed open set in topology. In a Grothendieck topology, certain sieves… … Wikipedia
Sieve (mathematics) — In mathematics, sieve has several possible definitions: * In number theory, a sieve is a technique for counting the size of certain sets whose precise number of elements is hard to determine. See sieve theory, general number field sieve, and… … Wikipedia
