中文

Aut(F_N)及其Torelli子群的 commensurator 群

群论 2024-05-03 v2 几何拓扑

摘要

对于 N3N \geq 3Aut(FN){{\rm{Aut}}}(F_N) 及其 Torelli 子群 IAN{{\rm{IA}}}_N 的抽象 commensurator 群均同构于 Aut(FN){{\rm{Aut}}}(F_N) 自身。

关键词

引用

@article{arxiv.2306.13437,
  title  = {Commensurations of ${{\rm{Aut}}}(F_N)$ and its Torelli subgroup},
  author = {Martin R. Bridson and Richard D. Wade},
  journal= {arXiv preprint arXiv:2306.13437},
  year   = {2024}
}

备注

30 pages, 5 figures. Version accepted to appear in GAFA