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hep-th1993★ 12 cited
The vacuum preserving Lie algebra of a classical W-algebra
L. Feher, L. O'Raifeartaigh, I. Tsutsui
We simplify and generalize an argument due to Bowcock and Watts showing that one can associate a finite Lie algebra (the `classical vacuum preserving algebra') containing the Möbiu…
hep-th1993★ 21 cited
On the Completeness of the Set of Classical W-Algebras Obtained from DS Reductions
L. Feher, L. O'Raifeartaigh, P. Ruelle +1
We clarify the notion of the DS --- generalized Drinfeld-Sokolov --- reduction approach to classical -algebras. We first strengthen an earlier theorem which showed that a…