mathematics, a product of rings or direct product of rings is a ring that is formed by the Cartesian product of the underlying sets of several rings (possibly...

product (or knit product), a generalization of the direct and semidirect products Product of rings Ideal operations, for product of ideals Scalar multiplication...

underlying rings are graded-commutative rings, the tensor product A ⊗ R B {\displaystyle A\otimes _{R}B} becomes a graded commutative ring by defining...

ideas of algebraic number theory and algebraic geometry. The simplest commutative rings are those that admit division by non-zero elements; such rings are...

number rings to the setting of polynomial rings and other commutative rings by David Hilbert and especially Emmy Noether. For an arbitrary ring ( R , +...

semidirect product, knit product and wreath product the free product of groups the product of rings the product of ideals the product of topological...

number of fundamental properties of commutative rings that do not extend to noncommutative rings. A ring is a set R {\displaystyle R} equipped with two...

regular rings, group rings, rings of formal power series, Ore polynomials, graded rings, have been introduced for generalizing some properties of polynomial...

the colimit of a span and the pullback is the limit of a cospan, we can think of the tensor product of rings and the fibered product of rings (see the examples...

mathematics, the category of rings, denoted by Ring, is the category whose objects are rings (with identity) and whose morphisms are ring homomorphisms (that...