A Note on the Reversibility of 2D Cellular Automata on Hexagonal Grids.
Antoni Augustynowicz, Jan Marcel Baetens, Bernard De Baets, Adam Dzedzej, Anna Nenca, Barbara Wolnik · Ghent University Academic Bibliography (Ghent University) · 2018
We present counterexamples illustrating that the characterization of the reversibility of hexagonal finite cellular automata of Siap et al. is not valid. Moreover, we illustrate that no simple characterization of that type can be obtained.