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Smoothness criterion for Fano orbifolds and bases of Lagrangian fibrations

Zhiyu Liu

Source record

Source: arXiv

Published: Oct 14, 2026

arXiv: 2610.20496

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Source abstract

We establish a smoothness criterion for Fano varieties with quotient singularities. As an application, we show that if X→BX\to B is a Lagrangian fibration from a compact hyper-Kähler manifold and BB has quotient singularities, then BB is a projective space.

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