rings
Meanings
拳击台,竞技场,舞台.
Examples :
圈,圆圈符号
Examples :
保护环,特权级。
Examples :
环,环结构。
An algebraic structure which consists of a set with two binary operations: an additive operation and a multiplicative operation, such that the set is an abelian group under the additive operation, a monoid under the multiplicative operation, and such that the multiplicative operation is distributive with respect to the additive operation.