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http://arxiv.org/abs/1009.1136v1

The Small Scale Structure of Spacetime

Steven Carlip

(Submitted on 6 Sep 2010)

Abstract: Several lines of evidence hint that quantum gravity at very small distances may be effectively two-dimensional. I summarize the evidence for such ``spontaneous dimensional reduction,'' and suggest an additional argument coming from the strong-coupling limit of the Wheeler-DeWitt equation. If this description proves to be correct, it suggests a fascinating relationship between small-scale quantum spacetime and the behavior of cosmologies near an asymptotically silent singularity.

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# Spontaneous dimensional reduction of quantized spacetime

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