•
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 •
Commutator, a measure of the failure of two elements to be commutative in a group or ring •
Commutation matrix, a permutation matrix which is used for transforming the vectorized form of another matrix into the vectorized form of its transpose ==Science and technology==