TY - BOOK AU - Scott Peter AU - Swarup Gadde A TI - Regular neighbourhoods and canonical decompositions for groups U1 - 512.2 PY - 2003/// CY - Paris PB - Societe Mathematique de France KW - Characteristic submanifolds KW - Group theory N2 - This volume finds canonical decompositions for (almost) finitely presented groups which essentially specialise to the classical JSJ-decomposition when restricted to the fundamental groups of Haken manifolds. The decompositions are invariant under automorp ER -