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Supersingular Brauer Classes in positive characteristic
Published 2 Dec 2024 in math.NT and math.AG | (2412.01785v1)
Abstract: In this article, we define supersingular Brauer classes in positive characteristic and study their role in the Brauer-Manin obstruction. We relate this notion to the Brauer group of supersingular K3 surfaces and use our results to study the Brauer-Manin set cut out by the $p$-torsion Brauer group.
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