The modularity of certain non-rigid Calabi-Yau threefolds

Ron Livné*, Noriko Yui

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Let X be a Calabi-Yau threefold fibred over ℙ1 by non-constant semi-stable K3 surfaces and reaching the Arakelov-Yau bound. In [25], X. Sun, Sh.-L. Tan, and K. Zuo proved that X is modular in a certain sense. In particular, the base curve is a modular curve. In their result they distinguish the rigid and the non-rigid cases. In [17] and [28] rigid examples were constructed. In this paper we construct explicit examples in non-rigid cases. Moreover, we prove for our threefolds that the "interesting" part of their L-series is attached to an automorphic form, and hence that they are modular in yet another sense.

Original languageAmerican English
Pages (from-to)645-665
Number of pages21
JournalKyoto Journal of Mathematics
Volume45
Issue number4
DOIs
StatePublished - 2005

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