Causal Dynamics of Discrete Surfaces
arXiv:1404.0083 · doi:10.4204/EPTCS.144.3
Abstract
We formalize the intuitive idea of a labelled discrete surface which evolves in time, subject to two natural constraints: the evolution does not propagate information too fast; and it acts everywhere the same.
In Proceedings DCM 2013, arXiv:1403.7685