关于双椭圆曲面的 Brauer 群
代数几何
2023-03-28 v2
摘要
我们给出了双椭圆曲面第二上同调群挠元的显式生成元，并由此研究双椭圆曲面与其典范覆盖之间的 Brauer 群的拉回映射。
引用
@article{arxiv.1910.12537,
title = {On the Brauer group of bielliptic surfaces},
author = {Jonas Bergström and Eugenia Ferrari and Sofia Tirabassi and Magnus Vodrup},
journal= {arXiv preprint arXiv:1910.12537},
year = {2023}
}
备注
Main Article by E. Ferrari, S. Tirabassi and M. Vodrup. Appendix by J. Bergstr\"om and S. Tirabassi. Comments are welcome.V2: fixed a minor mistake in the proof of lemma 4.1, improved introduction, added examples