Commute

Look up commute, commutation, commutative, or commutativity in Wiktionary, the free dictionary.

Commute, commutation or commutative may refer to:

• Commuting, the process of travelling between a place of residence and a place of work

Mathematics

• Commutative property, a property of a mathematical operation whose result is insensitive to the order of its arguments
  • Equivariant map, a function whose composition with another function has the commutative property
  • Commutative diagram, a graphical description of commuting compositions of arrows in a mathematical category
  • Commutative semigroup, commutative monoid, abelian group, and commutative ring, algebraic structures with the commutative property
  • Commuting matrices, sets of matrices whose products do not depend on the order of multiplication

Science and technology

• Commutation (electric), the application of currents or voltages to different electrical motor phases so as to produce optimum motor torque
• Commutation (neurophysiology), how certain neural circuits in the brain exhibit noncommutativity
• Commutation (telemetry), a form of time-division multiplexing
• Commutation, a synonym for packet switching in computer networking and telecommunications

Other uses

• Commutation of sentence, a reduction in severity of punishment
• Commutation, or cash option, in which a member of a pension scheme gives up part or all of their pension in exchange for a lump sum payment