CAT(0)群的有限表现子群的发散性
群论
2022-03-09 v1
摘要
我们构造了包含有限表现群的 群族,这些有限表现群的发散函数为形如 (对稠密集 中的指数)以及 (对整数 )。同一构造还给出了包含收缩元素的 群的例子,这些元素在某些有限表现子群中并非收缩的。
引用
@article{arxiv.2012.15803,
title = {Divergence of finitely presented subgroups of CAT(0) groups},
author = {Noel Brady and Hung Cong Tran},
journal= {arXiv preprint arXiv:2012.15803},
year = {2022}
}
备注
39 pages, 6 figures, and 1 table. The proof of the main divergence theorem in this paper is similar in outline to that in arXiv:2002.03653 but there are significant technical differences