Group signature — A Group signature scheme is a method for allowing a member of a group to anonymously sign a message on behalf of the group. The concept was first introduced by David Chaum and Eugene van Heyst in 1991. For example, a group signature scheme could… … Wikipedia
Signature numérique — Pour les articles homonymes, voir Signature (homonymie). La signature numérique (parfois appelée signature électronique) est un mécanisme permettant de garantir l intégrité d un document électronique et d en authentifier l auteur, par analogie… … Wikipédia en Français
Signature Box — Kompilationsalbum von John Lennon Veröffentlichung 1. Oktober 2010 Label EMI Group … Deutsch Wikipedia
Signature (mathematics) — In mathematics, signature can refer to*The signature of a permutation is ±1 according to whether it is an even/odd permutation. The signature function defines a group homomorphism from the symmetric group to the group {±1}. *The signature of a… … Wikipedia
Signature (disambiguation) — A signature is a hand written, stylized version of someone s name.Signature may also mean: NOTOC In computers*Signature block, text automatically appended at the bottom of an e mail message, Usenet article, or forum post. *Method signature, in… … Wikipedia
Signature of a knot — The signature of a knot is a topological invariant in knot theory. It may be computed from the Seifert surface.Given a knot K in the 3 sphere, it has a Seifert surface S whose boundary is K . The Seifert form of S is the pairing phi : H 1(S) imes … Wikipedia
Signature song — A signature song is the one song (or, in some cases, one of a few songs) that a popular and well established singer or band, is most closely identified with, even if they have had success with a variety of songs. Signature songs are a marketing… … Wikipedia
Signature (topology) — In mathematics, the signature of an oriented manifold M is defined when M has dimension d divisible by four. In that case, when M is connected and orientable, cup product gives rise to a quadratic form Q on the middle real cohomology group: H 2 n … Wikipedia
Signature Theatres — Regal Entertainment Group Logo de Regal Entertainment Group Dates clés 1999 (Création à Knoxville, Tennessee) Personnages clés Philip Anschutz … Wikipédia en Français
Group 90 — Infobox Art Group bgcolour = #6495ED name = Group 90 imagesize = caption = startdate = 1987 location = Lasalle SIA College of the Arts (Telok Kurau Campus) Singapore enddate = endplace = nationality = Singapore field = Figurative art, Figure… … Wikipedia
signature — noun Etymology: Middle French or Medieval Latin; Middle French, from Medieval Latin signatura, from Latin signatus, past participle of signare to sign, seal Date: 1536 1. a. the act of signing one s name to something b. the name of a person… … New Collegiate Dictionary