Finite subgroups of automorphisms of free products

Document Type : Research Paper

Authors

1 Independent Researcher, Athens, Greece

2 Independent Researcher, Basingstoke, UK

Abstract

We study finite subgroups of outer automorphisms of free products. We give upper bounds for the orders of these finite subgroups as well as bounds for the orders of individual torsion outer automorphisms under some (necessary) conditions for the free factors.

Keywords

Main Subjects


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Volume 15, Issue 4 - Serial Number 4
December 2026
Pages 169-178
  • Receive Date: 26 November 2024
  • Revise Date: 30 November 2025
  • Accept Date: 06 December 2025
  • Published Online: 01 December 2026