English

On the universal regular homomorphism in codimension $2$

Algebraic Geometry 2022-07-01 v1

Abstract

We point out a gap in Murre's proof of the existence of a universal regular homomorphism for codimension 22 cycles on a smooth projective variety, and offer two arguments to fill this gap.

Keywords

Cite

@article{arxiv.2007.07592,
  title  = {On the universal regular homomorphism in codimension $2$},
  author = {Bruno Kahn},
  journal= {arXiv preprint arXiv:2007.07592},
  year   = {2022}
}

Comments

To appear in Annales de l'Institut Fourier

R2 v1 2026-06-23T17:08:06.574Z