Proposition 3.1 in Groups Geom. Dyn. 5 (2011), 673–681, 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.
Cite this article
Tetsuya Ito, Bert Wiest, Erratum to “How to read the length of a braid from its curve diagram”. Groups Geom. Dyn. 7 (2013), no. 2, pp. 495–496DOI 10.4171/GGD/192