English

On non-projective small resolutions

Algebraic Geometry 2022-01-27 v2

Abstract

We construct a large class of projective threefolds with one node (aka non-degenerate quadratic singularity) such that their small resolutions are not projective.

Keywords

Cite

@article{arxiv.2104.11901,
  title  = {On non-projective small resolutions},
  author = {Serge Lvovski},
  journal= {arXiv preprint arXiv:2104.11901},
  year   = {2022}
}

Comments

10 pages, no figures. Proofs corrected, references added

R2 v1 2026-06-24T01:28:50.858Z