中文

具有六正第二类曲率算子的凯勒曲面

微分几何 2023-03-08 v2

摘要

本文旨在开启对凯勒流形上第二类曲率算子的研究。主要结果断言,一个具有六正第二类曲率算子的闭凯勒曲面双全纯于 CP2\mathbb{CP}^2。文中还表明,一个具有六非负第二类曲率算子的闭非平坦凯勒曲面要么双全纯于 CP2\mathbb{CP}^2,要么等距于 S2×S2\mathbb{S}^2 \times \mathbb{S}^2

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引用

@article{arxiv.2207.00520,
  title  = {K\"ahler surfaces with six-positive curvature operator of the second kind},
  author = {Xiaolong Li},
  journal= {arXiv preprint arXiv:2207.00520},
  year   = {2023}
}

备注

14 pages, comments welcome; to appear in Proc. Amer. Math. Soc.; Theorem 1.7 and its proof added in this version; references added and updated. arXiv admin note: text overlap with arXiv:2206.15011