Idempotent ideals and nonfinitely generated projective modules over integral group rings of polycyclic-by-finite groups
[摘要] We prove that every nonfinitely generated projective module over the integral group ring of a polycyclic-by-finite group G is free if and only if G is polycyclic. (c) 2005 Elsevier Inc. All rights reserved.
[发布日期] 2006-11-15 [发布机构]
[效力级别] [学科分类]
[关键词] nonfinitely generated projective module;idempotent ideal;integral group ring;polycyclic-by-finite group [时效性]