中文

爱因斯坦型结构、Besse猜想以及共形类中$\varphi$-CPE度量的唯一性结果

微分几何 2024-01-17 v2 偏微分方程分析

摘要

本文研究CPE猜想向流形MM的推广,其中MM支持一种将曲率与光滑映射φ:MN\varphi : M \to N的几何相联系的结构。所得系统记为(φCPE)(\varphi-\mathrm{CPE}),从变分观点看是自然的,并描述了限制在单位体积且φ\varphi-数量曲率恒定的度量上、积分φ\varphi-数量曲率泛函的驻点。我们证明了共形类中(φCPE)(\varphi-\mathrm{CPE})解的刚性结论,以及刻画支持以φ\varphi为调和映射的(φCPE)(\varphi-\mathrm{CPE})的流形中圆球面的间隙定理。

关键词

引用

@article{arxiv.2201.00263,
  title  = {Einstein-type structures, Besse's conjecture and a uniqueness result for a $\varphi$-CPE metric in its conformal class},
  author = {Giulio Colombo and Luciano Mari and Marco Rigoli},
  journal= {arXiv preprint arXiv:2201.00263},
  year   = {2024}
}

备注

26 pages. Package axessibility included to make the paper available to visually impaired people. Revised version: the rigidity theorem was improved in the light of a result by Barbosa, Mirandola and Vitorio. We included comments and corrected a mistake in the variational formulation