Semi-infinite cohomology in conformal field theory and 2d gravity
classification
✦ hep-th
keywords
cohomologyconformalfieldgravitysemi-infinitetheoriesappeararise
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We discuss various techniques for computing the semi-infinite cohomology of highest weight modules which arise in the BRST quantization of two dimensional field theories. In particular, we concentrate on two such theories -- the $G/H$ coset models and $2d$ gravity coupled to $c\leq 1$ conformal matter. (to appear in the proceedings of the XXV Karpacz Winter School)
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