Authors

S. Gudder

Document Type

Article

Publication Date

2012

Keywords

Causal set approach, discrete quantum gravity

Abstract

In the causal set approach to discrete quantum gravity the universe grows one element at a time in discrete steps. At each step the process has the form of a causal set (causet) and the ”completed“ universe is given by a path through a discretely growing chain of causets. The collection of causets forms a partially ordered set (poset) in a natural way. We first show that this poset is directed. We then give a counterexample which shows it is not lattice ordered.

Included in

Mathematics Commons

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