paper

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

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