Area-preserving structure of 2d-gravity
arXiv:hep-th/9401031 · doi:10.1016/0370-2693(94)90758-7
Abstract
The effective action for 2d-gravity with manifest area-preserving invariance is obtained in the flat and in the general gravitational background. The cocyclic properties of the last action are proved, and generalizations on higher dimensions are discussed.
8 pages, LaTeX
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