关于 Colliot-Thélène 与 Voisin 构造的一个 3 折的注记
代数几何
2018-12-11 v3
摘要
一个经典问题询问 Abel-Jacobi 映射是否在所有的正则同态中具普适性。在本文中,我们证明:若 Colliot-Thélène 与 Voisin 在积分 Hodge 猜想四次缺陷研究的背景下构造的 3 折满足广义 Bloch 猜想,则我们可以构造一个 4 折,在余维数 给出否定回答。
引用
@article{arxiv.1805.01067,
title = {A remark on a $3$-fold constructed by Colliot-Th\'el\`ene and Voisin},
author = {Fumiaki Suzuki},
journal= {arXiv preprint arXiv:1805.01067},
year = {2018}
}
备注
11 pages, comments are welcome, v3. the exposition is improved; a section on stably birational invariants is added; an appendix on the Roitman theorem for the Walker maps and decomposition of the diagonal is added; to appear in Mathematical Research Letters