A Calabi-Yau threefold with Brauer group (ℤ/8ℤ)²

Gross, Mark; Pavanelli, Simone

doi:10.1090/S0002-9939-07-08840-5

A Calabi-Yau threefold with Brauer group $(\mathbb Z/8\mathbb Z)^2$
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by Mark Gross and Simone Pavanelli PDF

Proc. Amer. Math. Soc. 136 (2008), 1-9 Request permission

Abstract:

We compute the Brauer group of a Calabi-Yau threefold discovered by the first author and Sorin Popescu, and find it is $(\mathbb {Z}/8 \mathbb {Z})^2$, the largest known Brauer group of a non-singular Calabi-Yau threefold.

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