Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1995-04-03
Lett.Math.Phys. 37 (1996) 375-383
Physics
High Energy Physics
High Energy Physics - Theory
1+11 pages, LaTeX, version to appear in Lett. Math. Phys
Scientific paper
10.1007/BF00312669
Recently, certain higher dimensional complex manifolds were obtained in [hep-th/9412078] by associating a higher dimensional uniformisation to the generalised Teichm\"uller spaces of Hitchin. The extra dimensions are provided by the ``times'' of the generalised KdV hierarchy. In this paper, we complete the proof that these manifolds provide the analog of superspace for W-gravity and that W-symmetry linearises on these spaces. This is done by explicitly constructing the relationship between the Beltrami differentials which naturally occur in the higher dimensional manifolds and the Beltrami differentials which occur in W-gravity. This also resolves an old puzzle regarding the relationship between KdV flows and W-diffeomorphisms.
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