closed category
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Closed category — In category theory, a branch of mathematics, a closed category is a special kind of category. In any category (more precisely, in any locally small category), the morphisms between any two given objects x and y comprise a set, the external hom (x … Wikipedia
Cartesian closed category — In category theory, a category is cartesian closed if, roughly speaking, any morphism defined on a product of two objects can be naturally identified with a morphism defined on one of the factors. These categories are particularly important in… … Wikipedia
Compact closed category — In category theory, compact closed categories are a general context for treating dual objects. The idea of a dual object generalizes the more familiar concept of the dual of a finite dimensional vector space. So, the motivating example of a… … Wikipedia
Closed monoidal category — In mathematics, especially in category theory, a closed monoidal category is a context where we can take tensor products of objects and also form mapping objects . A classic example is the category of sets, Set, where the tensor product of sets A … Wikipedia
Category (mathematics) — In mathematics, a category is an algebraic structure that comprises objects that are linked by arrows . A category has two basic properties: the ability to compose the arrows associatively and the existence of an identity arrow for each object. A … Wikipedia
Category theory — In mathematics, category theory deals in an abstract way with mathematical structures and relationships between them: it abstracts from sets and functions to objects and morphisms . Categories now appear in most branches of mathematics and in… … Wikipedia
Closed adoption — (also called confidential adoption and sometimes secret adoption) is the process by where an infant is adopted by another family, and the record of the biological parent(s) is kept sealed. (Often, the biological father is not recorded even on the … Wikipedia
closed shop — n: a business in which the employer by agreement hires and retains only union members see also labor management relations act in the important laws section compare open shop, union shop ◇ Closed shops are illegal under … Law dictionary
Closed-loop authentication — Closed loop authentication, as applied to computer network communication, refers to a mechanism whereby one party verifies the purported identity of another party by requiring them to supply a copy of a token transmitted to the canonical or… … Wikipedia
closed-end loan — A loan that must be paid off within a certain period of time. Compare: open ended loan Category: Bankruptcy, Foreclosure & Debt Nolo’s Plain English Law Dictionary. Gerald N. Hill, Kathleen Thompson Hill. 2009 … Law dictionary
Closed city — Central entry checkpoint to the closed city of Seversk A closed city or closed town is a settlement with travel and residency restrictions in the Soviet Union and some of its successor countries. In modern Russia, such places are officially known … Wikipedia
