Universal codimension two cycle on a very general cubic threefold
Algebraic Geometry
2025-09-09 v1 K-Theory and Homology
Abstract
In this paper, we prove that a very general cubic threefold does not admit a universal codimension-two cycle and hence is stably irrational.
Cite
@article{arxiv.2509.06013,
title = {Universal codimension two cycle on a very general cubic threefold},
author = {Kalyan Banerjee},
journal= {arXiv preprint arXiv:2509.06013},
year = {2025}
}
Comments
12 pages, comments are very welcome