中文

Baumslag-Solitar 复形中不可公度格

群论 2024-03-14 v2 几何拓扑

摘要

本文研究局部有限 2-复形 Xm,nX_{m,n},它们是 Baumslag-Solitar 群 BS(m,n)BS(m,n) 的组合模型。我们证明,在许多情形下,局部紧群 Aut(Xm,nX_{m,n}) 包含不可公度的均匀格。我们构造的格还容许同构的 Cayley 图,并且是有限呈现的、无挠的且凝聚的。

关键词

引用

@article{arxiv.2207.14703,
  title  = {Incommensurable lattices in Baumslag-Solitar complexes},
  author = {Max Forester},
  journal= {arXiv preprint arXiv:2207.14703},
  year   = {2024}
}

备注

v2: 34 pages. The notion of depth profile has been modified slightly to exclude elliptic elements. There is some new exposition with additional references