Torelli problem for Calabi-Yau threefolds with GLSM description
Algebraic Geometry
2019-06-12 v3
Abstract
We construct a gauged linear sigma model with two non-birational K\"alher phases which we prove to be derived equivalent, -equivalent, deformation equivalent and Hodge equivalent. This provides a new counterexample to the birational Torelli problem which admits a simple GLSM interpretation.
Cite
@article{arxiv.1711.10231,
title = {Torelli problem for Calabi-Yau threefolds with GLSM description},
author = {Michał Kapustka and Marco Rampazzo},
journal= {arXiv preprint arXiv:1711.10231},
year = {2019}
}
Comments
Exposition improved, some arguments clarified