%0 Journal Article %A Ivan Dynnikov %A Bert Wiest %T On the complexity of braids %J Journal of the European Mathematical Society %D 2007 %P 801-840 %V 9 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/98/ %R 10.4171/jems/98 %F JEMS_2007_9_4_a7