Turing Machine Universality of the Game of Life pp 147-149 | Cite as
Wolfram’s Two State Three Symbol UTM
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Abstract
The smallest known universal Turing machine is Wolfram’s two state three symbol machine described in Chap. 3. This is small enough to fit in the author’s original Turing machine in Conway’s Game of Life which has three states and three symbols. Wolfram’s two state three symbol machine was proved to be weakly universal by Smith. The coding of the Turing machine tape for universal Turing machine behaviour creates a tape much larger than can be demonstrated in Conway’s Game of Life. This chapter presents Wolfram’s two state three symbol machine built in Conway’s Game of Life with a short section of blank tape .
Keywords
Artificial Intelligence Nonlinear Dynamics State Machine State Version Computational Intelligence
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References
- 1.Wolfram, S.: Universality and complexity in cellular automata. Physica 10D, 1–35 (1984)MathSciNetGoogle Scholar
- 2.Rendell, P.: Conway’s Game of Life Turing machine. www.rendell-attic.org/gol (2000)
- 3.Smith, A.: Universality of Wolfram’s 2, 3 Turing Machine, 2007. The Wolfram 2, 3 Turing Machine Research PrizeGoogle Scholar
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© Springer International Publishing Switzerland 2016