Operator | Function, Algebra & Calculus | Britannica (original) (raw)

mathematics and logic

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Last Updated: Oct 26, 2024• Article History

Key People:

Alain Connes

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On the Web:

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operator, in mathematics, any symbol that indicates an operation to be performed. Examples are Square root of√x (which indicates the square root is to be taken) and d/d x (which indicates differentiation with respect to x is to be performed). An operator may be regarded as a function, transformation, or map, in the sense that it associates or “maps” elements from one set to elements from another set. See also automorphism.