中文

群扩张的几何不变量 第二部分:分裂扩张

群论 2011-12-22 v2

摘要

1HGK11 \to H \to G \to K \to 1 是分裂短正合序列时,我们计算了 Ω1(G)\Omega^1(G) 不变量。我们利用这一结果计算了紧曲面上的纯辫子群和全辫子群的不变量。还讨论了其在扭曲共轭类和换位子群的有限生成方面的应用。

关键词

引用

@article{arxiv.1103.0315,
  title  = {The Geometric Invariants of Group Extensions Part II: Split Extensions},
  author = {Nic Koban and Peter Wong},
  journal= {arXiv preprint arXiv:1103.0315},
  year   = {2011}
}

备注

This paper has been withdrawn by the authors for further work on the main theorem