category of use
21Category (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 …
22Category of topological spaces — In mathematics, the category of topological spaces, often denoted Top, is the category whose objects are topological spaces and whose morphisms are continuous maps. This is a category because the composition of two continuous maps is again… …
23Category:Mythological weapons — Mythological weapons are legendary weapons from a relatively cohesive set of myths. Weapons derived solely from works of fiction without any mythological value do not belong in this category. See also Use Category:Fictional weapons for weapons… …
24Use of performance enhancing drugs in association football — Part of a series on Doping in sport …
25Category:Christianity-related controversies — Differing ideas of Christianity. Subcategories This category has the following 23 subcategories, out of 23 total. A [+] …
26Category:Optimization algorithms — An optimization algorithm is an algorithm for finding a value x such that f(x) is as small (or as large) as possible, for a given function f, possibly with some constraints on x. Here, x can be a scalar or vector of continuous or discrete values …
27category of aircraft classification — i. With respect to the certification, rating, privileges, and information of airmen, it means a broad classification of aircraft. Examples include airplane, rotorcraft, glider, and lighter than air aircraft. ii. With respect to the certification… …
28Help:Category — For guidelines on the use of categories in Wikipedia, see Wikipedia:Categorization. For a basic readers guide see Help:Categories. For quick answers, see the readers FAQ or the editors FAQ on categories. Wikipedia namespaces Basic namespaces Talk …
29List of programming languages by category — Programming language lists Alphabetical Categorical Chronological Generational This is a list of programming languages grouped by category. Some languages are listed in multiple categories. Contents …
30Limit (category theory) — In category theory, a branch of mathematics, the abstract notion of a limit captures the essential properties of universal constructions such as products and inverse limits. The dual notion of a colimit generalizes constructions such as disjoint… …
