Abstract
We show that every classical Enriques surface containing a smooth rational curve is a Reye congruence.
Funding statement: G. Mezzedimi is funded by the Hausdorff Center for Mathematics, Bonn (Germany’s Excellence Strategy – EXC-2047/1-390685813).
Acknowledgements
We thank Igor Dolgachev for helpful comments on a first draft of this article. We are grateful to the anonymous referees for their insightful suggestions that improved and simplified several arguments in the paper.
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