Pseudo-Anosov dilatations and the Johnson filtration
arXiv:1307.6226 · doi:10.4171/GGD/365
Abstract
Answering a question of Farb-Leininger-Margalit, we give explicit lower bounds for the dilatations of pseudo-Anosov mapping classes lying in the kth term of the Johnson filtration of the mapping class group.
arXiv comment20 pages, 3 figures; to appear in Groups Geom. Dyn