Causal sets and the deep structure of spacetime
arXiv:gr-qc/0508109
Abstract
The causal set approach to quantum gravity embodies the concepts of causality and discreteness. This article explores some foundational and conceptual issues within causal set theory.
LaTeX, 17 pages. Article contributed to "100 Years of Relativity - Space-time Structure: Einstein and Beyond" ed Abhay Ashtekar (World Scientific)