On amenability of group algebras, II: graded algebras

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This paper continues math.GR/0608302's study of amenability of affine algebras (based on the notion of almost-invariant finite-dimensional subspace), and applies it to graded algebras associated with finitely generated groups. Due to a mistake in Lemma 4.3, the main statements of the present paper should not be considered as proven. The results in Sections 2 and 3 are nevertheless valid.
12 pages, 1 pdf figure

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Group Theory, Rings and Algebras

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http://salesiana.dossiersoluciones.com/handle/123456789/157803

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0611709
 http://arxiv.org/abs/math/0611709

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arXiv