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 的连通类空 Jordan IP 伪黎曼流形进行分类,其中 ,,且集合 不含 2 的幂。
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This paper has been withdrawn due to a transfer of copyright agreement.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