中文

关于$p=3,7$时$#_r(S^p \times S^p)$的映射类群

几何拓扑 2011-10-31 v2

摘要

对于Mr=#r(Sp×Sp)M_r = \#_r(S^p \times S^p)p=3,7p=3,7,我们计算了MrM_r上保持定向的微分同胚的合痕类群模去那些在2p2p维圆盘外为恒等映射的合痕类,以及MrM_r上保持定向的同伦等价的同伦类群。

关键词

引用

@article{arxiv.0905.0423,
  title  = {On the mapping class groups of $#_r(S^p \times S^p)$ for $p = 3, 7$},
  author = {Diarmuid Crowley},
  journal= {arXiv preprint arXiv:0905.0423},
  year   = {2011}
}

备注

Presentation significantly improved following referee's comments; e.g. added Corollary 2.8 to make certain classes in the second cohomology of the symplectic group explicit. To appear in Math. Zeit.. 12 pages