idempotent

idempotent
/uy"deuhm poht"nt, id"euhm-/, Math.
adj.
1. unchanged when multiplied by itself.
n.
2. an idempotent element.
[1865-70; IDEM + POTENT1]

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Universalium. 2010.

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  • idempotent — ● idempotent, idempotente adjectif Élément idempotent d un ensemble muni d une loi interne ⊤, élément de l ensemble qui vérifie x ⊤ x = x. ● idempotent, idempotente (expressions) adjectif Élément idempotent d un ensemble muni d une loi interne ⊤ …   Encyclopédie Universelle

  • idempotent — 1870, from L. idem the same + potentem powerful (see POTENT (Cf. potent)) …   Etymology dictionary

  • Idempotent — Idempotence En mathematiques et en informatique, le concept d idempotence signifie basiquement qu une opération a le même effet qu on l applique une ou plusieurs fois, ou encore qu en la réappliquant on ne modifiera pas le résultat. On la… …   Wikipédia en Français

  • Idempotent — Idempotenz ist ein Begriff aus der Mathematik und Informatik. Er bezeichnet die Eigenschaft einer Funktion, in Verknüpfung mit sich selbst das gleiche Ergebnis zu liefern wie bei einmaliger Verwendung. Die beiden grundlegenden und wichtigsten… …   Deutsch Wikipedia

  • idempotent — adjective Etymology: Latin idem same + potent , potens having power more at potent Date: 1870 relating to or being a mathematical quantity which when applied to itself under a given binary operation (as multiplication) equals itself; also… …   New Collegiate Dictionary

  • idempotent — i•dem•po•tent [[t]ˈaɪ dəmˈpoʊt nt, ˈɪd əm [/t]] Math. 1) math. (of a number or matrix) unchanged when multiplied by itself 2) math. an idempotent element • Etymology: 1870; idem+potent I …   From formal English to slang

  • idempotent — adjective unchanged in value following multiplication by itself this matrix is idempotent • Similar to: ↑unchanged • Topics: ↑mathematics, ↑math, ↑maths …   Useful english dictionary

  • Idempotent measure — In mathematics, an idempotent measure on a metric group is a probability measure that equals its convolution with itself; in other words, an idempotent measure is an idempotent element in the topological semigroup of probability measures on the… …   Wikipedia

  • idempotent — adjective Describing an action which, when performed multiple times, has no further effect on its subject after the first time it is performed. In algebra, x nbsp;= nbsp;x for all positive n. See Also: idempotence, nilpotent, nullipotent,… …   Wiktionary

  • idempotent — idempotẹnt,   Mathematik: bezeichnet ein Element a eines Rings, für das a2 = a gilt …   Universal-Lexikon

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