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arXiv · 1111.2545

Sections of Calabi-Yau threefolds with K3 fibration

Zhiyuan Li
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Abstract

We study sections of a Calabi-Yau threefold fibered over a curve by K3 surfaces. We show that there exist infinitely many isolated sections on certain K3 fibered Calabi-Yau threefolds and the subgroup of the N\'eron-Severi group generated by these sections is not finitely generated. This also gives examples of K3 surfaces over the function field F of a complex curve with Zariski dense F-rational points, whose geometric model is Calabi-Yau.

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Zhiyuan Li. 2011-11-10. Sections of Calabi-Yau threefolds with K3 fibration. https://arxiv.org/abs/1111.2545

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