Causal set actions in various dimensions

@inproceedings{Glaser2011CausalSA,
  title={Causal set actions in various dimensions},
  author={L. Glaser},
  year={2011}
}
Causal set theory is a discrete approach to quantum gravity. The idea is that space-time is not a smooth manifold but a discrete causal set. This means that differential structure can not be assumed but has to be replaced by discrete alternatives. In this paper a pattern for a discrete version of the scalar D'Alembertian operator in various dimensions is proposed and tested. Corrections to this operator in curved space-time are proportional to the curvature scalar, and the proportionality… Expand

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