Product

Product may refer to:

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Business

• Product (business), an item that can be offered to a market to satisfy the desire or need of a customer.
• Product (project management), a deliverable or set of deliverables that contribute to a business solution

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Mathematics

• Product (mathematics)

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Algebra

• Direct product

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Set theory

• Cartesian product of sets

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Group theory

• Direct product of groups
• Semidirect product
• Product of group subsets
• Wreath product
• Free product
• Zappa–Szép product (or knit product), a generalization of the direct and semidirect products

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Ring theory

• Product of rings
• Ideal operations, for product of ideals

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Linear algebra

• Scalar multiplication
• Matrix multiplication
• Inner product, on an inner product space
• Exterior product or wedge product
• Multiplication of vectors:
• Dot product
• Cross product
• Seven-dimensional cross product
• Triple product, in vector calculus
• Tensor product

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Topology

• Product topology

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Algebraic topology

• Cap product
• Cup product
• Slant product

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Homotopy theory

• Smash product
• Wedge sum (or wedge product)

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Category theory

• Internal product, in a monoidal category
• Product (category theory), a generalization of mathematical products
• Fibre product or pullback
• Coproduct or pushout

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Probability theory

• Wick product of random variables

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Graph theory

• Graph product

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Music

• Product (Brand X album), 1979
• Product (De Press album), 1982
• Product (Sophie album), 2015
• Product, a three-CD compilation set by Buzzcocks

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Other uses

• Product (chemistry), the species formed from chemical reactions
• Hairstyling product, such as hairspray or hair gel, generally referred to as simply "product"

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See also

• Production (disambiguation)

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