involution — [ ɛ̃vɔlysjɔ̃ ] n. f. • 1314 « difficultés »; lat. involutio « enroulement » 1 ♦ Bot. État d un organe involuté. 2 ♦ (1866) Math. Application f d un ensemble E dans lui même, telle que f = f 1. Les symétries sont des involutions. 3 ♦ (déb. XIXe; d … Encyclopédie Universelle
Involution (mathematiques) — Involution (mathématiques) Pour les articles homonymes, voir Involution. En mathématiques, une involution est une opération qui est son propre inverse. Sommaire 1 Définition formelle 2 … Wikipédia en Français
Involution (mathematics) — In mathematics, an involution, or an involutary function, is a function that is its own inverse, so that: f ( f ( x )) = x for all x in the domain of f . General propertiesAny involution is a bijection.The identity map is a trivial example of an… … Wikipedia
Involution (mathématiques) — Pour les articles homonymes, voir Involution. En mathématiques, une involution est une opération qui est sa propre inverse. Sommaire 1 Définition formelle 2 Applicati … Wikipédia en Français
Involution — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. En mathématiques, une involution est une opération qui est son propre inverse. En médecine, une involution est une régression spontanée ou provoquée d un… … Wikipédia en Français
Semigroup with involution — In mathematics, in semigroup theory, an involution in a semigroup is a transformation of the semigroup which is its own inverse and which is an anti automorphism of the semigroup. A semigroup in which an involution is defined is called a… … Wikipedia
mathematical operation — noun (mathematics) calculation by mathematical methods the problems at the end of the chapter demonstrated the mathematical processes involved in the derivation they were learning the basic operations of arithmetic • Syn: ↑mathematical process,… … Useful english dictionary
Duality (mathematics) — In mathematics, a duality, generally speaking, translates concepts, theorems or mathematical structures into other concepts, theorems or structures, in a one to one fashion, often (but not always) by means of an involution operation: if the dual… … Wikipedia
Self-adjoint — In mathematics, an element x of a star algebra is self adjoint if x^*=x.A collection C of elements of a star algebra is self adjoint if it is closed under the involution operation. For example, if x^*=y then since y^*=x^{**}=x in a star algebra,… … Wikipedia
инволютивная операция — — [http://www.iks media.ru/glossary/index.html?glossid=2400324] Тематики электросвязь, основные понятия EN involution operation … Справочник технического переводчика
Outline of algebraic structures — In universal algebra, a branch of pure mathematics, an algebraic structure is a variety or quasivariety. Abstract algebra is primarily the study of algebraic structures and their properties. Some axiomatic formal systems that are neither… … Wikipedia