顺从覆盖与积分叶状单纯体积
几何拓扑
2022-06-14 v2 动力系统
摘要
类比于普通单纯体积,我们证明:若定向闭连通非球面-流形允许重数不超过的开顺从覆盖,则其积分叶状单纯体积为零。这意味着此类流形的基本群具有固定价格且是廉价的,同时也重新证明了有关同调增长的一些命题。
引用
@article{arxiv.2112.12223,
title = {Amenable covers and integral foliated simplicial volume},
author = {Clara Loeh and Marco Moraschini and Roman Sauer},
journal= {arXiv preprint arXiv:2112.12223},
year = {2022}
}
备注
23 pages, revised version according with the referee's comments. To appear in New York J. Math