17–28 Mar 2025
MITP - Mainz Institute for Theoretical Physics, Johannes Gutenberg University Mainz
Europe/Berlin timezone

Mirror symmetry and arithmetic for non-Fano varieties

24 Mar 2025, 14:00
1h
2413/2-430 - MITP Seminar Room (MITP - Mainz Institute for Theoretical Physics, Johannes Gutenberg University Mainz)

2413/2-430 - MITP Seminar Room

MITP - Mainz Institute for Theoretical Physics, Johannes Gutenberg University Mainz

Staudingerweg 9 / 2nd floor, 55128 Mainz
40

Speaker

Michael Lathwood

Description

The arithmetic properties of a Calabi-Yau manifold are encoded in the periods of its mirror. The mirror to a sigma model with Fano toric target is given by the Landau-Ginzburg model obtained from the Hori-Vafa construction. In this talk, we explain how this story generalizes to Calabi-Yau hypersurfaces in non-Fano toric varieties. We provide some preliminary calculations with our new Python package, ToricZeta. This talk is based on recent work with Per Berglund and Tim Gräfnitz (arXiv:2404.16782), and work in progress with Pyry Kuusela and Michael Stepniczka.

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