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Torelli problem for Calabi-Yau threefolds with GLSM description
Published 28 Nov 2017 in math.AG | (1711.10231v3)
Abstract: We construct a gauged linear sigma model with two non-birational K\"alher phases which we prove to be derived equivalent, $\mathbb{L}$-equivalent, deformation equivalent and Hodge equivalent. This provides a new counterexample to the birational Torelli problem which admits a simple GLSM interpretation.
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