Real null coframes in general relativity and GPS type coordinates
General Relativity and Quantum Cosmology
2009-11-07 v3 High Energy Physics - Theory
Abstract
Based on work of Derrick, Coll, and Morales, we define a `symmetric' null coframe with {\it four real null covectors}. We show that this coframe is closely related to the GPS type coordinates recently introduced by Rovelli.
Cite
@article{arxiv.gr-qc/0110078,
title = {Real null coframes in general relativity and GPS type coordinates},
author = {M. Blagojevic and J. Garecki and F. W. Hehl and Yu. N. Obukhov},
journal= {arXiv preprint arXiv:gr-qc/0110078},
year = {2009}
}
Comments
Latex script, 9 pages, 4 figures; references added to work of Derrick, Coll, and Morales, 1 new figure