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Fano orbifolds admit free Campana curves

Brian Lehmann, Sho Tanimoto

Source record

Source: arXiv

Published: Sep 29, 2026

arXiv: 2609.37513

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Source abstract

We prove that any Fano orbifold admits a free Campana curve in the sense of Campana. Moreover, assuming that any klt log Fano pair admits a very free rational curve in its smooth locus, we prove that any Fano orbifold is Campana rationally connected. As an application, we prove the finiteness of the orbifold fundamental groups for Fano orbifolds.

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Fano orbifolds admit free Campana curves — Mathematical Frontier Network