Modifies a noun

• algebra: The method is similar in some respects to the treatment of non commutative algebras.

• justice: Commutative justice has for its sphere the exchanges that can take place between two individuals.

• ring: Much of the theory of commutative rings is motivated by the properties of the integers.

• law: Two questions arise here: for what series the commutative law is valid; how can the sum change upon rearrangement of the terms?

• diagram: This trick comes in handy for making commutative diagrams of diagrams like braids.

• group: The non-zero elements of F form a commutative group.

Modifying Another Word

• necessarily: Recall that in Heisenberg's first paper, he defined a multiplication which was not necessarily commutative.