相对VGIT及其在Hilbert概形退化中的应用
代数几何
2021-12-09 v2
摘要
我们将线性化变动下GIT(半)稳定轨迹的经典半连续性定理推广到从X到仿射基S的等变射影态射的相对情形。作为对模问题的应用,我们考虑Hilbert概形的退化,并对Gulbrandsen-Halle-Hulek构造的退化族的(半)稳定轨迹给出概念性解释。
引用
@article{arxiv.1909.03780,
title = {Relative VGIT and an application to degenerations of Hilbert schemes},
author = {Lars H. Halle and Klaus Hulek and Ziyu Zhang},
journal= {arXiv preprint arXiv:1909.03780},
year = {2021}
}
备注
27 pages, major revision, final version, to appear in Michigan Math. J