## A New Way to Implement Cellular Automata on the Penta- and Heptagrids

- Maurice Margenstern
- J. Cellular Automata
- 2006

- Published 2008

In this paper, we complete the construction of paper [9, 11]. Together with the proof contained in [9, 11], this paper definitely proves that the general problem of tiling the hyperbolic plane withà la Wang tiles is undecidable.

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