中文

Grassmann 流形上的向量丛与反对称曲率算子

微分几何 2007-05-23 v2 代数拓扑

摘要

若反对称曲率算子的 Jordan 标准形依赖于伪黎曼流形上的点,但不依赖于该点切丛中特定的类空 2-平面,则称该伪黎曼流形为类空 Jordan IP。我们利用代数拓扑方法对签名 (p,q)(p,q) 的连通类空 Jordan IP 伪黎曼流形进行分类,其中 q11q\ge 11pq64p\le \frac{q-6}{4},且集合 {q,...,q+p}\{q, . . ., q+p\} 不含 2 的幂。

关键词

引用

@article{arxiv.math/0407284,
  title  = {Vector bundles over Grassmannians and the skew-symmetric curvature operator},
  author = {Iva Stavrov},
  journal= {arXiv preprint arXiv:math/0407284},
  year   = {2007}
}

备注

This paper has been withdrawn due to a transfer of copyright agreement. The paper will appear in Differential Geometry and its Applications