Here are two recent papers that may have a baring on the upcoming LQG-05 conference. http://arxiv.org/abs/gr-qc/0412108 http://arxiv.org/abs/gr-qc/0410146 And this one also http://arxiv.org/abs/gr-qc/0508091 I am linking them here these papers, does anyone have a link to the paper directly above, here is the ref:9] Lojasiewicz, S. (1964): Triangulation of semi-analytic sets. Ann. Scuola. Norm. Sup. Pisa 18, 449-474 be great if someone can find out about this?