Chinese 自由阿贝尔群 Cited by user 書畫晝盡 on 01 Sep 2023 数学中,自由阿贝尔群是有基的阿贝尔群. 阿贝尔群是配备了符合结合律、交换律且有逆的运算的集合. 基,对于群中每个元素,可以唯一表示为有限多基元素的整数组合,那么这些基元素就构成了基,也称作整基,是集合的子集.
English Free abelian group Cited by user David Eppstein on 27 Jul 2021 In mathematics, a free abelian group is an abelian group with a basis. Being an abelian group means that it is a set with an addition operation that is associative…