凸曲面的Blaschke法映射的奇点
微分几何
2010-05-12 v3
摘要
我们证明,对于仿射空间中给定的凸曲面,其Blaschke法映射的正燕尾数与负燕尾数之差等于仿射形状算子具有负行列式的子集的欧拉数。
引用
@article{arxiv.1001.1200,
title = {Singularities of Blaschke normal maps of convex surfaces},
author = {Kentaro Saji and Masaaki Umehara and Kotaro Yamada},
journal= {arXiv preprint arXiv:1001.1200},
year = {2010}
}
备注
5 pages Version 3; to appear in Comptes Rendus Mathematique