TY - JOUR AU - Darryl D. Holm AU - Rossen I. Ivanov TI - $G$-Strands and Peakon Collisions on $\rm{Diff}\,(\mathbb{R})$ JO - Symmetry, integrability and geometry: methods and applications PY - 2013 VL - 9 UR - http://geodesic.mathdoc.fr/item/SIGMA_2013_9_a26/ LA - en ID - SIGMA_2013_9_a26 ER -