Research ArticleOpen accessPhrase in the titleSpace Time Covariance of Canonical Quantization of Gravity: A (Formal) General Result and the (Rigorous) Explicit Case of 2+1 Quantum CosmologyT. Christodoulakis, G. O. PapadopoulosySpace Science International, Vol. 1, Issue 2 · 27 Jan 2014 · 8,462 accessesView PDFCite