Idempotent ideals and non-finitely generated projective modules over integral group rings of polycyclic-by-finite groups

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We prove that every non-finitely generated projective module over the integral group ring of a polycyclic-by-finite group G is free if and only if G is polycyclic.
15 pages, to appear in J. Algebra

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Rings and Algebras, 16D40 (Primary) 20C12 (Secondary)

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http://salesiana.dossiersoluciones.com/handle/123456789/106307

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0512446
 http://arxiv.org/abs/math/0512446

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arXiv