%0 Journal Article %A Duc-Manh Nguyen %T On the topology of $\mathcal{H}(2)$ %J Groups, geometry, and dynamics %D 2014 %P 513-551 %V 8 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/237/ %R 10.4171/ggd/237 %F 10_4171_ggd_237