Chronological null complete spacetimes admit a global time
General Relativity and Quantum Cosmology
2011-06-24 v2
Abstract
The result "chronological spacetimes without lightlike lines are stably causal" is announced and motivated. It implies that chronological spacetimes which are null geodesically complete and satisfy the null genericity and the null (averaged) energy condition admit a time function.
Keywords
Cite
@article{arxiv.0807.0103,
title = {Chronological null complete spacetimes admit a global time},
author = {E. Minguzzi},
journal= {arXiv preprint arXiv:0807.0103},
year = {2011}
}
Comments
Latex2e, 4 pages, 1 figure. To appear in the Proceedings of the "Spanish Relativity Meeting: Physics and Mathematics of Gravitation", Salamanca (Spain), September 15-19, 2008