关于带穿孔曲面的映射类群的对合生成元
几何拓扑
2022-09-27 v1
摘要
设Mod(Σ_{g, p})表示亏格为g、带p个穿孔的连通可定向曲面的映射类群。对于每个偶数p ≥ 10且g ≥ 14,我们证明Mod(Σ_{g, p})可由三个对合生成。若穿孔数p为奇数且≥ 9,我们证明当g ≥ 13时Mod(Σ_{g, p})可由四个对合生成。此外,我们证明对于偶数p ≥ 4且3 ≤ g ≤ 6,Mod(Σ_{g, p})可由四个对合生成。
引用
@article{arxiv.2209.12382,
title = {On the involution generators of the mapping class group of a punctured surface},
author = {Tulin Altunoz and Mehmetcik Pamuk and Oguz Yildiz},
journal= {arXiv preprint arXiv:2209.12382},
year = {2022}
}
备注
11 pages, 4 figures, all comments are welcome!