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arxiv: gr-qc/0409039 · v2 · pith:V7BUQOKEnew · submitted 2004-09-08 · 🌀 gr-qc · hep-th

Quantum Gravity in 2+1 Dimensions: The Case of a Closed Universe

S. Carlip This is my paper
classification 🌀 gr-qc hep-th
keywords gravitycloseddimensionsquantizinguniversebecomingbodycase
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In three spacetime dimensions, general relativity drastically simplifies, becoming a ``topological'' theory with no propagating local degrees of freedom. Nevertheless, many of the difficult conceptual problems of quantizing gravity are still present. In this review, I summarize the rather large body of work that has gone towards quantizing (2+1)-dimensional vacuum gravity in the setting of a spatially closed universe.

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