Q-complements on log surfaces

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In this paper the log surfaces without $\QQ$-complement are classified. In particular, they are non-rational always. This result takes off the restriction in the theory of complements and allows one to apply it in the most wide class of log surfaces.
Latex2e, 3 pages

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Algebraic Geometry

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http://salesiana.dossiersoluciones.com/handle/123456789/69254

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0311325
 http://arxiv.org/abs/math/0311325

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arXiv