English

Rationality does not specialize among terminal fourfolds

Algebraic Geometry 2018-03-16 v1

Abstract

We show that rationality does not specialize in flat projective families of complex fourfolds with terminal singularities. This answers a question of Totaro, who established the analogous result in all dimensions greater than 4.

Cite

@article{arxiv.1608.00951,
  title  = {Rationality does not specialize among terminal fourfolds},
  author = {Alexander Perry},
  journal= {arXiv preprint arXiv:1608.00951},
  year   = {2018}
}

Comments

4 pages

R2 v1 2026-06-22T15:10:26.375Z