English

Lines on K3-quartics via triangular sets

Algebraic Geometry 2025-05-19 v1

Abstract

We prove the sharp upper bound of at most 5252 lines on a complex K3-surface of degree four with a non-empty singular locus. We also classify the configurations of more than 4848 lines on smooth complex quartics.

Keywords

Cite

@article{arxiv.2301.04127,
  title  = {Lines on K3-quartics via triangular sets},
  author = {Alex Degtyarev and Sławomir Rams},
  journal= {arXiv preprint arXiv:2301.04127},
  year   = {2025}
}

Comments

22 pages, extra data available as ancillary files

R2 v1 2026-06-28T08:08:46.647Z