完备旗三维流形上的 't Hooft 丛与瞬子模空间
代数几何
2025-05-15 v2
摘要
本文中,我们研究旗扭转空间 上瞬子丛的模空间。我们依据支撑全局截面的最小 twist 对其进行分层,并引入 上(特殊)'t Hooft 丛的概念。特别地,我们证明对每个容许电荷 均存在 -稳定的 't Hooft 丛。我们完整描述了任意电荷 下(特殊)'t Hooft 丛模空间的几何结构。在达成这些目标的过程中,我们描述了 中某些有理曲线上支撑的重曲线的可能结构,以及实现为 超平面截面的 del Pezzo 曲面族。最后,我们研究了 't Hooft 丛限制到二次曲线时的分裂行为。
引用
@article{arxiv.2307.02197,
title = {'t Hooft bundles on the complete flag threefold and moduli spaces of instantons},
author = {Vincenzo Antonelli and Francesco Malaspina and Simone Marchesi and Joan Pons-Llopis},
journal= {arXiv preprint arXiv:2307.02197},
year = {2025}
}
备注
45 pages. Several corrections, clarifications, and comments have been incorporated following the valuable feedback from the anonymous referees. In particular, Section 5 has been restructured to address an inaccuracy in the previous version. Final version to appear in Journal de Math\'ematiques Pures et Appliqu\'ees