English

Normal forms for quasi-elliptic Enriques surfaces and applications

Algebraic Geometry 2026-05-27 v2

Abstract

We work out normal forms for quasi-elliptic Enriques surfaces and give several applications. These include torsors and numerically trivial automorphisms, but our main application is the completion of the classification of Enriques surfaces with finite automorphism groups started by Kondo, Nikulin, Martin and Katsura-Kondo-Martin.

Cite

@article{arxiv.2304.12599,
  title  = {Normal forms for quasi-elliptic Enriques surfaces and applications},
  author = {Toshiyuki Katsura and Matthias Schütt},
  journal= {arXiv preprint arXiv:2304.12599},
  year   = {2026}
}

Comments

32 pages; (epi)journal version

R2 v1 2026-06-28T10:16:46.865Z