Product

Template:Sister project Product may refer to:

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

Mathematics

• Product (mathematics)

Algebra

• Direct product

Set theory

• Cartesian product of sets

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

Ring theory

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

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

Topology

• Product topology

Algebraic topology

• Cap product
• Cup product
• Slant product

Homotopy theory

• Smash product
• Wedge sum (or wedge product)

Category theory

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

Probability theory

• Wick product of random variables

Graph theory

• Graph product

Music

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

Other uses

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

See also

• Production (disambiguation)