On a question of O'Grady about modified diagonals
Algebraic Geometry
2013-11-06 v1
Abstract
Let X be an abelian variety of dimension g. In a recent preprint O'Grady defines modified diagonal classes \Gamma^m on X^m and he conjectures that the class of \Gamma^m in the Chow ring of X^m is torsion for m \geq 2g+1. We prove a generalization of this conjecture.
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Cite
@article{arxiv.1311.1185,
title = {On a question of O'Grady about modified diagonals},
author = {Ben Moonen and Qizheng Yin},
journal= {arXiv preprint arXiv:1311.1185},
year = {2013}
}
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3 pages