Criteria for virtual fibering |
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Authors: | Agol Ian |
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Affiliation: | University of California, Berkeley, 970 Evans Hall # 3840, Berkeley, CA 94720-3840, USA ianagol@gmail.com |
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Abstract: | We prove that an irreducible 3-manifold with fundamental groupthat satisfies a certain group-theoretic property called RFRSis virtually fibered. As a corollary, we show that 3-dimensionalreflection orbifolds and arithmetic hyperbolic orbifolds definedby a quadratic form virtually fiber. These include the SeifertWeber dodecahedral space and the Bianchi groups. Moreover, weshow that a taut-sutured compression body has a finite-sheetedcover with a depth one taut-oriented foliation. Received July 29, 2007. |
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