Zero-in-the-spectrum conjecture on regular covers of compact manifolds

• Autores: Piotr W. Nowak
• Localización: Commentarii mathematici helvetici, ISSN 0010-2571, Vol. 84, Nº 1, 2009, págs. 213-222
• Idioma: inglés
• DOI: 10.4171/cmh/159
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• Resumen

  • We prove the zero-in-the-spectrum conjecture for large, regular covers associated to amenable subgroups of fundamental group of a closed manifold $\mathcal{N}$, provided that p1(\mathcal{N}) is C*-exact.