辛手术与正规曲面奇点
辛几何
2008-12-09 v2 几何拓扑
摘要
我们证明了辛 4-流形中每个负定辛曲面构型都有一个强辛凸邻域。我们利用这一结果表明,如果一个负定构型在该构型的每个曲面处满足额外的负性条件,并且如果具有与该构型邻域微分同胚的解消的复奇点具有平滑化,则该构型可以被该奇点的平滑化进行辛替换。这推广了近期在小奇异 4-流形构造中使用的辛有理爆破过程。
引用
@article{arxiv.0708.1417,
title = {Symplectic surgeries and normal surface singularities},
author = {David T. Gay and Andras I. Stipsicz},
journal= {arXiv preprint arXiv:0708.1417},
year = {2008}
}
评论
In the main result additional hypotheses were added and the proof has been modified accordingly