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arxiv: math/0309210 · v1 · submitted 2003-09-12 · 🧮 math.AG

Equations for some very special Enriques surfaces in characteristic two

Pelle Salomonsson This is my paper
classification 🧮 math.AG
keywords surfacessomecharacteristicenriquesexistencespecialverybook
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We give an explicit construction and clasification of some very special sort of Enriques surfaces in characteristic two. This proves the existence of some of the surfaces that were called ``extra-special'' by Cossec and Dolgachev in their book on the subject, and whose existence was left open by them. These surfaces coincide with a class of surfaces that are introduced in recent work by Ekedahl and Shepherd--Barron.

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  1. Normal forms for quasi-elliptic Enriques surfaces and applications

    math.AG 2023-04 unverdicted novelty 6.0

    Normal forms are established for quasi-elliptic Enriques surfaces, completing the classification of Enriques surfaces with finite automorphism groups.