Rasmussen, Steen, C. L. Barrett, N. A. Baas, and Michael W. Olesen. A note on simulation and dynamical hierarchies . No. LA-UR-96-666; CONF-9509330-1. Los Alamos National Lab., NM (United States), 1996.
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This paper summarizes some of the problems associated with the generation of higher order emergent structures in formal dynamical systems as well as some of the formal properties of dynamical systems capable of generating higher order structures.