representation

entity or process that portrays something else, usually in a simplified or approximated manner

Representation may refer to: ==Law and politics== 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 and philosophy== Representation (psychology) (also "mental representation" or "cognitive representation"), 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 Representation of a Lie group, a linear action of a Lie group on a vector space 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 ==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

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