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gr-qc2002
"Observables" in causal set cosmology
Graham Brightwell, H. Fay Dowker, Raquel S. Garcia +2
The ``generic'' family of classical sequential growth dynamics for causal sets provides cosmological models of causal sets which are a testing ground for ideas about the, as yet un…
gr-qc2002
General Covariance and the "Problem of Time" in a Discrete Cosmology
Graham Brightwell, H. Fay Dowker, Joe Henson +2
Identifying an appropriate set of ``observables'' is a nontrivial task for most approaches to quantum gravity. We describe how it may be accomplished in the context of a recently p…