关于Dehn扭转的换位子长度
几何拓扑
2010-10-25 v2
摘要
我们证明,在亏格至少为7的不可定向曲面上,Dehn扭转的任意幂次等于映射类群中的一个单换位子;在附加假设下,对于扭转子群以及亏格至少为3的可定向曲面的扩展映射类群,同样的结论也成立。
引用
@article{arxiv.1007.0132,
title = {On the commutator length of a Dehn twist},
author = {Blazej Szepietowski},
journal= {arXiv preprint arXiv:1007.0132},
year = {2010}
}
备注
Two references and one paragraph added acknowledging the fact that some results were known already. 6 pages