可定向映射与自由-by-循环群的多项式不变量
群论
2023-01-24 v2 几何拓扑
摘要
我们将自由-by-循环群的 McMullen 多项式与其 Alexander 多项式联系起来。为此,我们引入可定向的完全不可约外自同构 的概念,并用它来刻画 的同调拉伸因子等于其几何拉伸因子的条件。
引用
@article{arxiv.2203.12134,
title = {Orientable maps and polynomial invariants of free-by-cyclic groups},
author = {Spencer Dowdall and Radhika Gupta and Samuel J. Taylor},
journal= {arXiv preprint arXiv:2203.12134},
year = {2023}
}
备注
v2: 36 pages, 5 figures. Minor changes incorporating referee comments. Final version, to appear in Advances in Mathematics