On the irreducibility of associated varieties of W-algebras
  We investigate the irreducibility of the nilpotent Slodowy slices that appear as the associated variety of W-algebras. Furthermore, we provide new examples of vertex algebras whose associated variety has finitely many symplectic leaves. 
Tomoyuki Arakawa and Anne Moreau
math.RT math-ph math.AG math.MP math.QA