Date:	2012
Abstract:	We generalise a result of R. Thomas to establish the non-vanishing of the first L2 Betti number for a class of nitely generated groups.
Rights:	Tots els drets reservats
Form:	article ; publishedVersion
Subject:	Finitely generated groups ; Orbifolds ; Cohomology ; Euler characteristic
Published in:	Publicacions matemàtiques, Vol. 56, Núm. 1 ( 2012) , p. 255-259, ISSN 0214-1493

5 p, 269.4 KB
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Record created 2011-12-22, last modified 2012-07-24

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