Erratum to "How to read the length of a braid from its curve diagram"

Tetsuya Ito , Bert Wiest (1)

1 IRMAR - Institut de Recherche Mathématique de Rennes

Proposition 3.1 in [1] is incorrect. We give a counterexample, point out the mistake in the proof, but also propose a similar statement in the form of a conjecture. The main result of the paper (Theorem 2.1) is unaffected.

Mots clés: Braid group; Garside group; curve diagra

Domaines: Topologie géométrique [math.GT]; Théorie des groupes [math.GR]

Tetsuya Ito, Bert Wiest. Erratum to "How to read the length of a braid from its curve diagram". Groups, Geometry, and Dynamics, 2013, 7 (2), pp.495-496. ⟨10.4171/GGD/192⟩. ⟨hal-00858433⟩