Double coverings of octic arrangements with isolated singularities

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In this paper we construct 206 examples of Calabi-Yau manifolds with different Euler numbers. All constructed examples are smooth models of double coverings of $P^3$ branched along an octic surface. We allow 11 types of (not necessary isolated) singularities in the branch locus. Thus we broaden the class of examples studied in math.AG/9902057. For every considered example we compute the Euler number and give a precise description of a resolution of singularities.
8 pages

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Algebraic Geometry, 14J32, 14J17 (Primary) 14B05 Secondary

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http://salesiana.dossiersoluciones.com/handle/123456789/78095

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/9902077
 http://arxiv.org/abs/math/9902077

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arXiv