Complexity volumes of splittable groups

JOURNAL OF ALGEBRA

卷:503

Article

Sykiotis, Mihalis¹ 

[1] Univ Athens, Dept Math, GR-15784 Athens, Greece

关键词: Groups acting on trees;    Euler characteristics;    Hyperbolic groups;    Limit groups;    CSA groups;   

DOI  :  10.1016/j.jalgebra.2018.02.013

来源: Elsevier

【 摘 要 】

Using graph of groups decompositions of finitely generated groups, we define Euler characteristic type invariants which are non-zero in many interesting classes of hyperbolic, limit and CSA groups, including elementarily free groups and one-ended torsion-free hyperbolic groups whose JSJ decomposition contains a maximal hanging Fuchsian vertex group. (C) 2018 Elsevier Inc. All rights reserved.

【 授权许可】

Free