中文

常数量曲率 Sasaki 度量与射影丛

微分几何 2022-05-16 v2 代数几何

摘要

本文考虑由对数对 (Sn,Δm)(S_{\bf n},\Delta_{\bf m}) 给出的扭曲 1 阶段 3 Bott 轨道流形上的 Boothby-Wang 构造。我们直接由常数量曲率(CSC)Kähler 轨道度量或通过 Apostolov 与 Calderbank 的加权极值方法,给出显式的常数量曲率(CSC)Sasaki 度量。这些 Sasaki 7-流形(轨道流形)被具有 S2×S5S^2\times S^5 的二重连通和的有理同调的紧单连通流形(轨道流形)有限覆盖。

关键词

引用

@article{arxiv.2112.01567,
  title  = {Constant Scalar Curvature Sasaki Metrics and Projective Bundles},
  author = {Charles P. Boyer and Christina W. Tønnesen-Friedman},
  journal= {arXiv preprint arXiv:2112.01567},
  year   = {2022}
}

备注

30 pages with 1 table, to appear in the volume: Birational Geometry, K\"ahler-Einstein Metrics, and Degeneration in the Springer Proceedings in Mathematics & Statistics. The revised version has corrected minor errors and typos, and made clarifications in the introduction