1307.3228 (Carlo Rovelli et al.)

Maximal acceleration in covariant loop gravity and singularity
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Carlo Rovelli, Francesca Vidotto

A simple argument indicates that covariant loop gravity (spinfoam theory) predicts a maximal acceleration, and hence forbids the development of curvature singularities. This supports the results obtained for cosmology and black holes using canonical methods.

View original: http://arxiv.org/abs/1307.3228