MATHEMATICAL RESEARCH LETTERS, vol.12, pp.335-339, 2005 (Peer-Reviewed Journal)
Article / Article
MATHEMATICAL RESEARCH LETTERS
Science Citation Index Expanded, Scopus
In this note we prove that the stable torsion length of a Dehn twist is positive. This, in particular, answers a question of T. E. Brendle and B. Farb in the negative. We also give upper bounds for this length.