Identity

Identity may refer to one of the following:

In creative works:
Identity (book) is a novel written by Milan Kundera.
Identity (film) is a movie starring John Cusack.
Identity (album) is an album from Zee with Richard Wright and Dave Harris.
*Identity (music), a transformation of pitches in music.

In business:
*Corporate identity is the physical manifestation of a business brand.
*Identity theft is the deliberate appropriation of someone else's identity (without that person's permission) for criminal purposes.

In social science and psychology:
*Identity (social science) (or "social identity"). In the social sciences, identity has specific meanings, stemming from cognitive theory, sociology, politics, and psychology. See also identity politics.
*Cultural identity is a person's self-affiliation (or categorization by others) as a member of a cultural group.
*Gender identity is the gender with which a person identifies (or is identified by others).
*Digital identity is the representation of identity in terms of digital information.
*Online identity is the digital identity established by computer network users.
*Psychological identity is the concept that an individual has a unique identity developed relatively late in history.

In philosophy:
*Identity (philosophy) is the sameness of two things (also see law of identity)
*Identity theory of mind, in the philosophy of mind, holds that the mind is identical to the brain
*Personal identity, in philosophy

In mathematics:
*An identity is an equality that holds regardless of the values of its variables.
*An identity object is an entity that does not change other objects: see identity function, identity element, identity matrix, and identity morphism.In computer science:
*Identity (object-oriented programming), a property of objects that allows those objects to be distinguished from each other.