Nonrational Covers of $CP^m\times CP^n$

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The aim of the paper is to construct examples of cyclic covers of $CP^m\times CP^n$ which are rationally connected but are not rational. The crucial point turns out to be the study of Del Pezzo surfaces over function fields in positive characteristic.
AMSTeX 2.1

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Algebraic Geometry

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http://salesiana.dossiersoluciones.com/handle/123456789/150157

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/alg-geom/9606005
 http://arxiv.org/abs/alg-geom/9606005

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arXiv