We prove a conjecture due to Makanin: if α and β are elements of the Artin braid group Bn such that αk = βk for some nonzero integer k, then α and β are conjugate. The proof involves the Nielsen–Thurston classification of braids.
Gonzalez-Meneses, Juan  1
@article{10_2140_agt_2003_3_1103,
author = {Gonzalez-Meneses, Juan},
title = {The nth root of a braid is unique up to conjugacy},
journal = {Algebraic and Geometric Topology},
pages = {1103--1118},
year = {2003},
volume = {3},
number = {2},
doi = {10.2140/agt.2003.3.1103},
url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2003.3.1103/}
}
TY - JOUR AU - Gonzalez-Meneses, Juan TI - The nth root of a braid is unique up to conjugacy JO - Algebraic and Geometric Topology PY - 2003 SP - 1103 EP - 1118 VL - 3 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2003.3.1103/ DO - 10.2140/agt.2003.3.1103 ID - 10_2140_agt_2003_3_1103 ER -
Gonzalez-Meneses, Juan. The nth root of a braid is unique up to conjugacy. Algebraic and Geometric Topology, Tome 3 (2003) no. 2, pp. 1103-1118. doi: 10.2140/agt.2003.3.1103
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