Symplectic and hyperkahler implosion
  We review the quiver descriptions of symplectic and hyperk\"ahler implosion in the case of SU(n) actions. We give quiver descriptions of symplectic implosion for other classical groups, and discuss some of the issues involved in obtaining a similar description for hyperk\"ahler implosion. 
Andrew Dancer, Brent Doran, Frances Kirwan, Andrew Swann
math.SG