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arxiv 2103.07324 v2 pith:AL3L2VIF submitted 2021-03-12 math.AG

Enriques involutions on pencils of K3 surfaces

classification math.AG
keywords enriquespencilssurfacesgeneralcoveredcoversdiscriminantelement
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The three pencils of K3 surfaces of minimal discriminant whose general element covers at least one Enriques surface are Kond\={o}'s pencils I and II, and the Ap\'ery--Fermi pencil. We enumerate and investigate all Enriques surfaces covered by their general elements.

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