On the arithmetic of del Pezzo surfaces of degree 2

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We study the arithmetic of certain del Pezzo surfaces of degree 2. We produce examples of Brauer-Manin obstruction to the Hasse principle, coming from 2- and 4-torsion elements in the Brauer group.
24 pages, to appear in Proc. London Math. Soc

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Algebraic Geometry, Number Theory, 14G05; 12G05

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http://salesiana.dossiersoluciones.com/handle/123456789/70249

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0402373
 http://arxiv.org/abs/math/0402373

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arXiv