增广理想 - 引用次数：4参考来源 - 某类群之增广理想及其增广商群的基底 Basis of powers of augmentation ideals and their quotient groups for some groups
增量理想 - 引用次数：1参考来源 - 整群环的增量理想之幂的基底及其商群的结构
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Augmentation ideal
abstract:In algebra, an augmentation ideal is an ideal that can be defined in any group ring. If G is a group and R a commutative ring, there is a ring homomorphism \varepsilon, called the augmentation map, from the group ring