Non-Trivial Non-Canonical W-Algebras from Kac-Moody Reductions
arXiv:hep-th/9405115 · doi:10.1016/0370-2693(94)90154-6
Abstract
By reducing a split Kac-Moody algebra by a non-maximal set of first-class constraints we produce W-algebras which (i) contain fields of negative conformal spin and (ii) are not trivial extensions of canonical W-algebras.
12 pages,Tex,DIAS-STP-94-19