English

Unirationality of cubic hypersurfaces

Algebraic Geometry 2007-05-23 v1

Abstract

Segre proved that a smooth cubic surface over Q is unirational iff it has a rational point. We prove that the result also holds for cubic hypersurfaces over any field, including finite fields.

Keywords

Cite

@article{arxiv.math/0005146,
  title  = {Unirationality of cubic hypersurfaces},
  author = {János Kollár},
  journal= {arXiv preprint arXiv:math/0005146},
  year   = {2007}
}

Comments

11 pages, LaTeX

R2 v1 2026-07-22T16:32:42.907Z