扭曲K理论与正数量曲率度量的障碍
几何拓扑
2015-09-03 v3 K理论与同调
摘要
对于具有旋量泛覆盖的可定向流形,我们将正数量曲率度量的扭曲指标障碍 分解为扭曲K-同调与扭曲K-理论类的配对,并证明了如果 是具有旋量泛覆盖的可定向可放大流形,则 不会消失。
引用
@article{arxiv.1108.3701,
title = {Twisted K-theory and obstructions against positive scalar curvature metrics},
author = {Ulrich Pennig},
journal= {arXiv preprint arXiv:1108.3701},
year = {2015}
}
备注
21 pages (drastically streamlined with focus on the proof of the non-vanishing result)