Torsion order and irrationality of complete intersections
Algebraic Geometry
2025-10-29 v1
Abstract
We provide new logarithmic lower bounds for the torsion order of a very general complete intersection in projective space as well as a very general hypersurface in products of projective spaces and Grassmannians, in particular we prove their retract irrationality.
Cite
@article{arxiv.2510.24258,
title = {Torsion order and irrationality of complete intersections},
author = {Jan Lange and Guoyun Zhang},
journal= {arXiv preprint arXiv:2510.24258},
year = {2025}
}
Comments
36 pages