On the canonical structure of general relativity with a limiting curvature and its relation to loop quantum gravity Norbert Bodendorfer, Andreas Schäfer, and John Schliemann Phys. Rev. D 97, 084057 (2018).
Holographic signatures of resolved cosmological singularities Norbert Bodendorfer, Andreas Schäfer, and John Schliemann JHEP 06(2019) 043.