noncommutative
Adjective
Meaning
noncommutative (not comparable)
(of an algebraic structure) Not having commutativity of all elements under its operation.
Phrases with the word
Examples
In noncommutative ring theory, a maximal right ideal is defined analogously as being a maximal element in the poset of proper right ideals, and similarly, a maximal left ideal is defined to be a maximal element of the poset of proper left ideals.
;Column order significance :The order of columns in an SQL table is defined and significant, one consequence being that SQL's implementations of Cartesian product and union are both noncommutative.
For example, most Banach algebras are noncommutative.
For n > 1 (and R not the zero ring), this matrix ring is noncommutative.
His mathematical specialties were noncommutative ring theory and computational algebra and its applications, including automated theorem proving in geometry.
Multiplication is defined by the rules that the elements of G commute with the elements of R and multiply together as they do in the group G. * Many rings that appear in analysis are noncommutative.