English

Which quartic double solids are rational?

Algebraic Geometry 2020-08-13 v3

Abstract

We study the rationality problem for nodal quartic double solids. In particular, we prove that nodal quartic double solids with at most six singular points are irrational, and nodal quartic double solids with at least eleven singular points are rational.

Keywords

Cite

@article{arxiv.1508.07277,
  title  = {Which quartic double solids are rational?},
  author = {Ivan Cheltsov and Victor Przyjalkowski and Constantin Shramov},
  journal= {arXiv preprint arXiv:1508.07277},
  year   = {2020}
}

Comments

35 pages

R2 v1 2026-06-22T10:43:54.246Z