On unirationality of double covers of fixed degree and large dimension; a method of Ciliberto

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Following an idea of Ciliberto we show that double covers of projective r-space branched over an hypersurface of degree 2d are unirational provided r is sufficiently big with respect to d.
15 pages

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Algebraic Geometry, 14E08, 14J40

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http://salesiana.dossiersoluciones.com/handle/123456789/63841

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0204213
 http://arxiv.org/abs/math/0204213

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arXiv