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math.AG2025
A simple criterion for the uniruledness of an orthogonal modular variety
Ignacio Barros
We exhibit a simple uniruledness criterion for general orthogonal modular varieties in terms of invariants of the corresponding lattice. As an application, we obtain the uniruledne…
math.AG2019
Two moduli spaces of Calabi-Yau type
Ignacio Barros, Scott Mullane
We show and have Kodaira dimension zero. Our method relies on the construction of a number of curves via nodal Lefschetz penci…