中文

关于预设 Ricci 曲率泛函的变分性质

微分几何 2023-09-18 v2

摘要

我们研究齐性度量的预设 Ricci 曲率问题。给定 (0,2)-张量场 TT,该问题求解方程 Ric(g)=cT\mathrm{Ric}(g)=cT(其中 cc 为某常数)的解。我们的方法基于考察标量曲率泛函的全局性质,其临界点即为该方程的解。我们给出了一般齐性空间存在全局最大值的条件。最后,我们在具体例子中研究该泛函的行为以阐明我们的结果。

关键词

引用

@article{arxiv.2110.14129,
  title  = {On the variational properties of the prescribed Ricci curvature functional},
  author = {Artem Pulemotov and Wolfgang Ziller},
  journal= {arXiv preprint arXiv:2110.14129},
  year   = {2023}
}

备注

24 pages, 3 figures. Version 2: A portion of this paper has been generalised and moved to the new paper "Palais-Smale sequences for the prescribed Ricci curvature functional"; the current version deals with the question of when the prescribed Ricci curvature functional assumes its maximum