Weimar, Joerg RichardTyson, John J.Watson, Layne T.2013-06-192013-06-191991http://hdl.handle.net/10919/19672This paper introduces a new cellular automaton model of excitable media with improved treatments of (1) diffusion and wave propagation, and (2) slow dynamics of the recovery variable. The automaton is both computationally efficient and faithful to the underlying partial differential equations.application/pdfenIn CopyrightTechnical reportTR-91-11http://eprints.cs.vt.edu/archive/00000257/01/TR-91-11.pdf