FOLDINGS, GRAPHS OF GROUPS AND THE MEMBERSHIP PROBLEM

Author:

KAPOVICH ILYA1,WEIDMANN RICHARD2,MYASNIKOV ALEXEI3

Affiliation:

1. Department of Mathematics, University of Illinois at Urbana-Champaign, 1409 West Green Street, Urbana, IL 61801, USA

2. Fachbereich Mathematik, Johann Wolfgang Goethe-Universität, Robert Mayer-Strasse 6-8, 60325 Frankfurt (Main), Germany

3. Department of Mathematics, City College of CUNY, New York, NY 10031, USA

Abstract

We introduce a combinatorial version of Stallings–Bestvina–Feighn–Dunwoody folding sequences. We then show how they are useful in analyzing the solvability of the uniform subgroup membership problem for fundamental groups of graphs of groups. Applications include coherent right-angled Artin groups and coherent solvable groups.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Mathematics

Reference44 articles.

1. J. Alonso, Group Theory From a Geometric Viewpoint, Proc. ICTP Trieste (World Scientific, Singapore, 1991) pp. 3–63.

2. Topics in Combinatorial Group Theory

3. The algorithmic theory of polycyclic-by-finite groups

4. Covering theory for graphs of groups

5. Bounding the complexity of simplicial group actions on trees

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