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A Note on the Height of the Formal Brauer Group of a $K3$ Surface
Published online by Cambridge University Press: 20 November 2018
Abstract
Using weighted Delsarte surfaces, we give examples of $K3$ surfaces in positive characteristic whose formal Brauer groups have height equal to 5, 8 or 9. These are among the four values of the height left open in the article of Yui [11].
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- Copyright © Canadian Mathematical Society 2004
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