欧拉示性数的不寻常公式
几何拓扑
2007-05-23 v1
摘要
众所周知,组合流形的欧拉示性数由其特征单纯形个数的交错和给出。本文表明,单纯形个数的其他线性组合也可以是组合不变量,但所有此类不变量都是欧拉示性数的倍数。
引用
@article{arxiv.math/0201178,
title = {Unusual formulae for the Euler characteristic},
author = {Justin Roberts},
journal= {arXiv preprint arXiv:math/0201178},
year = {2007}
}
备注
To appear in Journal of Knot Theory and its Ramifications