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Periods of double octic Calabi--Yau manifolds (1709.09751v1)
Published 27 Sep 2017 in math.AG
Abstract: We compute numerical approximations of the period integrals for eleven rigid double octic Calabi--Yau threefolds and compare them with the periods of corresponding weight our cusp forms and find, as to be expected, commensurabilities. These give information on character of the correspondences of these varieties with the associated Kuga-Sato modular threefolds.
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