Signature (disambiguation)
Encyclopedia
A signature
is a hand-written, possibly stylized, version of someone's name, which may be used to confirm the person's identity.
Signature may also refer to:
In art:
In computing:
In cryptography:
In mathematics:
In music:
In science:
In other uses:
Signature
A signature is a handwritten depiction of someone's name, nickname, or even a simple "X" that a person writes on documents as a proof of identity and intent. The writer of a signature is a signatory. Similar to a handwritten signature, a signature work describes the work as readily identifying...
is a hand-written, possibly stylized, version of someone's name, which may be used to confirm the person's identity.
Signature may also refer to:
- distinctive, characteristic indicative of identity
In art:
- Signature artworkSignature artworkIn art, signature artwork refers to works by popular and well-established artists that are easily recognized as theirs because of unique characteristics in style, medium, or subject matter. A parallel to the recognition of a person's signature on a work is drawn indicating that the work itself may...
, works by popular and well-established artists that are easily recognized as theirs because of unique characteristics in style, medium, or subject matter; distinctive works that may be easily recognized without having to ascertain the makers, the school of art, or the period
In computing:
- Signature blockSignature blockA signature block is a block of text automatically appended at the bottom of an e-mail message, Usenet article, or forum post. This has the effect of "signing off" the message and in a reply message of indicating that no more response follows...
, text automatically appended at the bottom of an e-mail message, Usenet article, or forum post - Method signature, in computer programming, especially object-oriented programming, how a method is commonly identified
- Type signatureType signatureIn computer science, a type signature or type annotation defines the inputs and outputs for a function, subroutine or method. A type signature includes at least the function name and the number of its arguments...
, which defines the inputs and outputs for a function or method
In cryptography:
- Blind signatureBlind signatureIn cryptography a blind signature as introduced by David Chaum is a form of digital signature in which the content of a message is disguised before it is signed. The resulting blind signature can be publicly verified against the original, unblinded message in the manner of a regular digital...
, digital signature in which the content of a message is disguised - Digital signatureDigital signatureA digital signature or digital signature scheme is a mathematical scheme for demonstrating the authenticity of a digital message or document. A valid digital signature gives a recipient reason to believe that the message was created by a known sender, and that it was not altered in transit...
(or public-key digital signature), a method for authenticating information - Digital Signature AlgorithmDigital Signature AlgorithmThe Digital Signature Algorithm is a United States Federal Government standard or FIPS for digital signatures. It was proposed by the National Institute of Standards and Technology in August 1991 for use in their Digital Signature Standard , specified in FIPS 186, adopted in 1993. A minor...
, a United States Federal Government standard - Electronic signatureElectronic signatureAn electronic signature, or e-signature, is any electronic means that indicates either that a person adopts the contents of an electronic message, or more broadly that the person who claims to have written a message is the one who wrote it . By comparison, a signature is a stylized script...
, a signature imputed to a text via one or more of several electronic means, or cryptographic means to add non-repudiation and message integrity features to a document - ElGamal signature schemeElGamal signature schemeThe ElGamal signature scheme is a digital signature scheme which is based on the difficulty of computing discrete logarithms. It was described by Taher ElGamal in 1984....
, based on the difficulty of computing discrete logarithms - Key signature (cryptography)Key signature (cryptography)In cryptography, a key signature is the result of applying a hash function on a key, for the purpose of simplifying operations on keys.For example, cryptographic keys are often quite large and cumbersome to compare, so a user who...
, the result of applying a hash function on a key - XML SignatureXML SignatureXML Signature defines an XML syntax for digital signatures and is defined in the W3C recommendation . Functionally, it has much in common with PKCS#7 but is more extensible and geared towards signing XML documents...
, a W3C recommendation that defines an XML syntax
In mathematics:
- Signature (logic)Signature (logic)In logic, especially mathematical logic, a signature lists and describes the non-logical symbols of a formal language. In universal algebra, a signature lists the operations that characterize an algebraic structure. In model theory, signatures are used for both purposes.Signatures play the same...
, in mathematical logic - Signature (permutation), in mathematics
- Signature of a real symmetric bilinear formSymmetric bilinear formA symmetric bilinear form is a bilinear form on a vector space that is symmetric. Symmetric bilinear forms are of great importance in the study of orthogonal polarity and quadrics....
- Metric signatureMetric signatureThe signature of a metric tensor is the number of positive and negative eigenvalues of the metric. That is, the corresponding real symmetric matrix is diagonalised, and the diagonal entries of each sign counted...
of the metric tensor on a pseudo-Riemannian manifold - Signature (topology)Signature (topology)In the mathematical field of topology, the signature is an integer invariant which is defined for an oriented manifold M of dimension d=4k divisible by four ....
of a 4k-dimensional compact oriented manifold
- Metric signature
- Signature of a knotSignature of a knotThe 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...
, in knot theory - Prime signature, the multiset of exponents in the prime factorisation of a number
In music:
- Key signatureKey signatureIn musical notation, a key signature is a series of sharp or flat symbols placed on the staff, designating notes that are to be consistently played one semitone higher or lower than the equivalent natural notes unless otherwise altered with an accidental...
, a series of sharp or flat symbols placed on the staff, designating notes that are to be played one semitone higher or lower - Signature (Moya Brennan album)Signature (Moya Brennan album)Signature is a music album by Irish musician Moya Brennan. This is her seventh solo album to be released. It was released on the 9 October 2006 in Ireland, the UK and the Netherlands...
, a 2006 album by Irish musician Moya Brennan - Signature (Joe album)Signature (Joe album)Signature is the second independent and eighth studio album by R&B singer Joe which was released on July 14, 2009. His previous album Joe Thomas, New Man features cuts from this album. The album features ballads written, produced, and arranged by Joe....
- Signature (Patrice Rushen album)
- Signature (news music), a news music and station image package composed by Stephen Arnold
- Signature songSignature songA signature song is the one song that a popular and well-established singer or band is most closely identified with or best known for, even if they have had success with a variety of songs...
, the one song that a popular and well-established artist is identified with - Time signatureTime signatureThe time signature is a notational convention used in Western musical notation to specify how many beats are in each measure and which note value constitutes one beat....
, a notational device used to specify how many beats are in each bar and which note value constitutes one beat
In science:
- Isotopic signatureIsotopic signatureAn isotopic signature is a ratio of stable or unstable isotopes of particular elements found in an investigated material...
, a characteristic set of ratios of stable or unstable isotopes - Metric signatureMetric signatureThe signature of a metric tensor is the number of positive and negative eigenvalues of the metric. That is, the corresponding real symmetric matrix is diagonalised, and the diagonal entries of each sign counted...
, in physics, refers to the form of a metric tensor: the sign of the diagonal components constitutes its "signature"- Signature change, in relativity
- Spectral signatureSpectral signatureSpectral Signatures are the specific combination of reflected and absorbed electromagnetic radiation at varying wavelengths which can uniquely identify an object. The spectral signature of stars indicates the spectrum according to the EM spectrum...
, the specific combination of reflected and absorbed electromagnetic (EM) radiation at varying wavelengths which can uniquely identify an object - Radar cross-section
In other uses:
- Signature, a brand of the clothing company Levi Strauss & Co.Levi Strauss & Co.Levi Strauss & Co. is a privately held American clothing company known worldwide for its Levi's brand of denim jeans. It was founded in 1853 when Levi Strauss came from Buttenheim, Franconia, to San Francisco, California to open a west coast branch of his brothers' New York dry goods business...
- In bookbindingBookbindingBookbinding is the process of physically assembling a book from a number of folded or unfolded sheets of paper or other material. It usually involves attaching covers to the resulting text-block.-Origins of the book:...
, a large sheet of paper printed with several pages, which, when folded, is intended to form four or more leaves in the finished book - Diabolical signatureDiabolical signatureIn demonology, a diabolical signature is the signature of a devil, demon or similar spirit, usually in order to sign a soul away. The most famous of these is in the story of Faust.Demons' signatures are designed to disguise their actual names. They are usually signed in blood...
, in demonology, the signature of a devil, demon or similar spirit, whose purpose is usually to sign away one's soul - Doctrine of signaturesDoctrine of signaturesThe doctrine of signatures is a philosophy shared by herbalists from the time of Dioscurides and Galen. This doctrine states that herbs that resemble various parts of the body can be used to treat ailments of that part of the body. Examples include the plants liverwort; snakeroot, an antidote for...
, in Christian European metaphysics - Signature (dance group)Signature (dance group)Signature are an English dance group which consists of British Pakistani Suleman Mirza and British Indian Madhu Singh. Their notable style of dance is British Bhangra and they frequently base their performances around Michael Jackson songs, such as "Billie Jean" and "Thriller"...
, a British Bhangra act in the 2008 series of the popular British television show Britain's Got Talent - Signature markSignature markA signature mark is a letter, number or combination of either or both, which is printed at the bottom of the first page, or leaf, of a signature or section...
, a mark at the bottom of signatures to assist the bookbinder - Signature BooksSignature BooksSignature Books is a press specializing in subjects related to Utah, Mormonism, and Western Americana. The company was founded in 1980 by George D...
, a publisher of MormonMormonThe term Mormon most commonly denotes an adherent, practitioner, follower, or constituent of Mormonism, which is the largest branch of the Latter Day Saint movement in restorationist Christianity...
works - Signature RecordsSignature RecordsSignature Records was a mid-20th century United States based record label. Noted Signature recording artists included Anita O'Day, Coleman Hawkins, Eddie Lawrence, Ray Anthony, Barbara McNair, Monica Lewis, Dickie Thompson, Jane Harvey, Kay Thompson and Alan Dale. Bob Thiele produced records for...
, a mid-20th century United States-based record label - Signatures RestaurantSignatures RestaurantSignatures Restaurant is the Washington D.C. restaurant opened by Jack Abramoff. Expensive and lavishly appointed with expensive memorabilia, Villeroy & Boch chargers and Christofle flatware, Signatures was used by Abramoff in coordination with his skyboxes and foreign trips to spend money...
, a restaurant formerly owned by Washington lobbyist Jack Abramoff - Signature Digital Menus, a company specialising in the provision of digital menu boards
- Signature Theatres, a movie theatre chain in California, Hawaii, and Montana operated by Regal Entertainment Group
- Signature crimeSignature crimeA signature crime is a crime which exhibits characteristics idiosyncratic to specific criminals, known as signature aspects, signature behaviours or signature characteristics...
, a crime which exhibits characteristics unique to an offender's psychology. - Signature TeamSignature TeamSignature is a French auto racing team that competes in the Formula 3 Euro Series and the Le Mans Series.The team won the FIA European Formula Three Cup in 1999 with Benoît Tréluyer...
, a French motor racing team. - Signature (charity)Signature (charity)Signature is a trading name of CACDP which is a charity registered in England and Wales, and Scotland. Signature promotes excellence in communication with deaf and deafblind people so their vision of a society in which deaf people have full access can become a reality...
/CACDP, Signature is a trading name of the Council for the Advancement of Communication for Deaf People in the UK.