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Time: Friday, March 11, 2011, 17h30-18h30

Location: Salle W

Failure of the Hasse principle for Enriques surfaces

Bianca Viray (Université Brown - Personal website)

This is a report on joint work with Anthony Várilly-Alvarado. We construct an Enriques surface X over Q with empty étale-Brauer set (and hence no rational points) for which there is no algebraic Brauer-Manin obstruction to the Hasse principle.

 

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