One-to-one or one to one may refer to:
Mathematics and communication
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One-to-one function
In mathematics, an injective function (also known as injection, or one-to-one function) is a function that maps distinct elements of its domain to distinct elements; that is, implies . (Equivalently, implies in the equivalent contrapositi ...
, also called an injective function
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One-to-one correspondence
In mathematics, a bijection, also known as a bijective function, one-to-one correspondence, or invertible function, is a function between the elements of two sets, where each element of one set is paired with exactly one element of the other ...
, also called a bijective function
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One-to-one (communication)
In telecommunications, a point-to-point connection refers to a communications connection between two communication endpoints or nodes. An example is a telephone call, in which one telephone is connected with one other, and what is said by one c ...
, the act of an individual communicating with another
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One-to-one (data model)
In systems analysis, a one-to-one relationship is a type of cardinality that refers to the relationship between two entities (see also entity–relationship model) A and B in which one element of A may only be linked to one element of B, and vice ...
, a relationship in a data model
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One to one computing (education), an initiative for a computer for every student
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One-to-one marketing
Personalized marketing, also known as one-to-one marketing or individual marketing, is a marketing strategy by which companies leverage data analysis and digital technology to deliver individualized messages and product offerings to current or p ...
or personalized marketing, an attempt to make a unique product offering for each customer
Music
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One to One (band), a 1980s Canadian pop music group
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''One to One'' (Carole King album), 1982
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''One to One'' (Christine Fan album), 2005
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''One to One'' (Howard Jones album), 1986
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''One to One'' (Syreeta album), 1977
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One to One (Ed Bruce album)
''One to One'' is the ninth studio album by American country music artist Ed Bruce. It was released in 1981 via MCA Records
MCA Records was an American record label owned by MCA Inc., which later became part of Universal Music Group.
Pre- ...
, 1981
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"One to One" (song), a song by British jazz-funk band Freeez
Other uses
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One to One (Apple)
One to One was a fee-based service for private training at Apple Inc.
Apple Inc. is an American multinational technology company headquartered in Cupertino, California, United States. Apple is the largest technology company by revenue (t ...
, Apple's personal training service
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One 2 One
T-Mobile UK was a mobile network operator in the UK. First launched as Mercury One2One (stylised one2one) on 7 January 1993, the network was originally operated by Mercury Communications. one2one was purchased by Deutsche Telekom in 1999, w ...
, a defunct British mobile telecommunications company, which became T-Mobile UK
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''One to One'' (TV series), an Irish TV series
See also
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1-1 (disambiguation) 1-1 may refer to:
* New Year's Day, a public holiday in many countries, held annually on the first of January
* Schweizer SGP 1-1, an American glider design
* World 1-1, the first level of Nintendo's ''Super Mario Bros''
See also
* One-to-one (dis ...
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One-to-many (disambiguation) One-to-many may refer to:
* Fat link, a one-to-many link in hypertext
* Multivalued function, a one-to-many function in mathematics
* One-to-many (data model), a type of relationship and cardinality in systems analysis
* Point-to-multipoint communi ...
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Many-to-many
Many-to-many communication occurs when information is shared between groups. Members of a group receive information from multiple senders.
Wikis are a type of many-to-many communication, where multiple editors collaborate to create content that ...
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One on One (disambiguation)
One on One may refer to:
Film and television
* ''Mansbridge One on One'', weekly TV program on CBC Television
* ''One on One'' (1977 film), a 1977 movie starring Robby Benson and Annette O'Toole
** ''One on One'' (soundtrack), the soundtrack ...
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One-way (disambiguation)
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