English

Cycle class maps and birational invariants

Algebraic Geometry 2019-08-02 v1

Abstract

We introduce new obstructions to rationality for geometrically rational threefolds arising from the geometry of curves and their cycle maps.

Keywords

Cite

@article{arxiv.1908.00406,
  title  = {Cycle class maps and birational invariants},
  author = {Brendan Hassett and Yuri Tschinkel},
  journal= {arXiv preprint arXiv:1908.00406},
  year   = {2019}
}

Comments

25 pages

R2 v1 2026-06-23T10:37:19.886Z