Cohomological gravity

Details Cohomological gravity Cohomological gravity

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993gregr..25..663b&link_type=abstract

General Relativity and Gravitation, Volume 25, Issue 7, pp.663-672

Mathematics

Logic

Scientific paper

We construct a theory of cohomological gravity in arbitrary dimensions based upon a local vector supersyrnmetry algebra. The observables in this theory are polynomial, but generally non-local operators, and have a natural interpretation in terms of a universal bundle for gravity. As such, their correlation functions correspond to cohomology classes on moduli spaces of Riemannian connections. In this uniformization approach different moduli spaces are obtained by introducing curvature singularities on codimension two submanifolds via a puncture operator. This puncture operator is constructed from a naturally occurring differential form of co-degree two in the theory, and we are led to speculate on connections between this continuum quantum field theory, and the discrete Regge calculus.

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