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Title: Observables in extended percolation models of causal set cosmology
Authors: Dowker, Fay
Surya, Sumati
Issue Date: 7-Feb-2006
Publisher: The Institute of Physics Publishing
Citation: Classical and Quantum Gravity, 2006, Vol.23, p1381-1390
Abstract: Classical sequential growth models for causal sets provide an important step towards the formulation of a quantum causal set dynamics. The covariant observables in a class of these models known as generalized percolation have been completely characterized in terms of physically well-defined 'stem sets' and yield an insight into the nature of observables in quantum causal set cosmology. We discuss a recent extension of generalized percolation and show that the characterization of covariant observables in terms of stem sets is also complete in this extension.
Description: Restricted Access. An open access version is available at
ISSN: 0264-9381
1361-6382 (Online)
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Copyright: (2006) by the Institute of Physics
Appears in Collections:Research Papers (TP)

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