Hilbert modularity of some double octic Calabi–Yau threefolds

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  • Jagiellonian University
  • Johannes Gutenberg University Mainz
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Original languageEnglish
Pages (from-to)313-332
Number of pages20
JournalJournal of number theory
Volume210
Publication statusPublished - 1 May 2020

Abstract

We exhibit three double octic Calabi--Yau threefolds over the certain quadratic fields and prove their modularity. The non-rigid threefold has two conjugate Hilbert modular forms of weight [4,2] and [2,4] attached while the two rigid threefolds correspond to a Hilbert modular form of weight [4,4] and to the twist of the restriction of a classical modular form of weight 4.

Keywords

    Calabi-Yau threefold, Double octic, Faltings–Serre–Livné method, Hilbert modularity

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Hilbert modularity of some double octic Calabi–Yau threefolds. / Cynk, Sławomir; Schütt, Matthias; van Straten, Duco.
In: Journal of number theory, Vol. 210, 01.05.2020, p. 313-332.

Research output: Contribution to journalArticleResearchpeer review

Cynk S, Schütt M, van Straten D. Hilbert modularity of some double octic Calabi–Yau threefolds. Journal of number theory. 2020 May 1;210:313-332. doi: 10.1016/j.jnt.2019.09.015
Cynk, Sławomir ; Schütt, Matthias ; van Straten, Duco. / Hilbert modularity of some double octic Calabi–Yau threefolds. In: Journal of number theory. 2020 ; Vol. 210. pp. 313-332.
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AU - Schütt, Matthias

AU - van Straten, Duco

N1 - Funding information: The first named author was partially supported by the National Science Center grant no. 2014/13/B/ST1/00133. This research was supported in part by PLGrid Infrastructure. Partial funding by the grant 346300 for IMPAN from the Simons Foundation and the matching 2015-2019 Polish MNiSW fund is gratefully acknowledged.

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