The nth root of a braid is unique up to conjugacy

We prove a conjecture due to Makanin: if α and β are elements of the Artin braid group Bn such that α k = β k for some nonzero integer k, then α and β are conjugate. The proof involves the Nielsen-Thurston classification of braids.

Detalhes bibliográficos
Autor: González-Meneses López, Juan
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2003
País:España
Recursos:Universidad de Sevilla (US)
Repositorio:idUS. Depósito de Investigación de la Universidad de Sevilla
OAI Identifier:oai:idus.us.es:11441/43115
Acesso em linha:http://hdl.handle.net/11441/43115
https://doi.org/10.2140/agt.2003.3.1103
Access Level:acceso abierto
Palavra-chave:braid
root
conjugacy
Nielsen-Thurston theory
Descrição
Resumo:We prove a conjecture due to Makanin: if α and β are elements of the Artin braid group Bn such that α k = β k for some nonzero integer k, then α and β are conjugate. The proof involves the Nielsen-Thurston classification of braids.