Representation

Representation may refer to:

Law and politics

 * In legal theory, representation is, respectively the capacity of an agent, authorized by a juridical person (in private or civil law) or a sovereign entity, to act on behalf of that entity in, respectively juridical actions or physical actions where the entity takes on legal replacement liability for all actions of the agent.
 * Representation (politics), political activities undertaken by elected representatives, as well as other theories
 * Representative democracy, type of democracy in which elected officials represent a group of people
 * Representation in contract law, a pre-contractual statement that may (if untrue) result in liability for misrepresentation
 * Labor representation, or worker representation, the work of a union representative who represents and defends the interests of fellow labor union members
 * Legal representation, provided by a barrister, lawyer, or other advocate
 * Lobbying or interest representation, attempts to influence the actions, policies, or decisions of officials
 * "No taxation without representation", a 1700s slogan that summarized one of the American colonists' 27 colonial grievances in the Thirteen Colonies, which was one of the major causes of the American Revolution
 * Permanent representation, a type of diplomatic mission

Arts, entertainment, and media

 * Representation (arts), use of signs that stand in for and take the place of something else
 * Representation (journal), an academic journal covering representative democracy
 * Depiction, non-verbal representation through two-dimensional images (pictures) of things seen, remembered or imagined

Cognitive science

 * Representation (psychology), a hypothetical 'internal' cognitive symbol that represents external reality
 * Knowledge representation, the study of formal ways to describe knowledge
 * Representation theory (linguistics), a theoretical framework in generative linguistics

Mathematics

 * Representation (mathematics), a very general relationship that expresses similarities between objects
 * Group representation, describes abstract groups in terms of linear transformations of vector spaces
 * Lie algebra representation, a way of writing a Lie algebra as a set of matrices in such a way that the Lie bracket is given by the commutator
 * Multiple representations (mathematics education), ways to symbolize, to describe and to refer to the same mathematical entity
 * Representation of a Lie group, a linear action of a Lie group on a vector space

Other uses

 * Representation (chemistry), graphic representation of the molecular structure of a chemical compound
 * Social representation, a stock of values, ideas, beliefs, and practices that are shared among the members of groups and communities
 * Representative sample in statistics