A fake cusp and a fishtail
几何拓扑
2007-05-23 v1 代数几何
摘要
We construct smooth 4-manifolds that are homeomorphic but not diffeomorphic to the "cusp" and the "fishtail", which are certain thickened singular 2-spheres.
引用
@article{arxiv.math/9904058,
title = {A fake cusp and a fishtail},
author = {Selman Akbulut},
journal= {arXiv preprint arXiv:math/9904058},
year = {2007}
}
备注
14 pages, 22 figures