A construction of numerical Campedelli Surfaces with \Z/6 torsion group

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We produce a family of numerical Campedelli surfaces with \Z/6 torsion by constructing the (Gorenstein codimension 5) canonical ring of the étale six to one cover using serial unprojection. In Section 2 we develop the necessary algebraic machinery. Section 3 contains the numerical Campedelli surface construction, while Section 4 contains remarks and open questions.
33 pages

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Algebraic Geometry, Commutative Algebra

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http://salesiana.dossiersoluciones.com/handle/123456789/132808

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0707.0244
 http://arxiv.org/abs/0707.0244

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arXiv