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An example of a Brauer-Manin obstruction to weak approximation at a prime with good reduction
Published 16 Feb 2021 in math.AG and math.NT | (2102.08022v2)
Abstract: Following Bright and Newton, we construct an explicit K$3$ surface over the rational numbers having good reduction at 2, and for which 2 is the only prime at which weak approximation is obstructed.
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