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A Search Algorithm for Subshift Attractors of Cellular Automata

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Abstract

We describe a heuristic algorithm which searches for spreading clopen sets of a cellular automaton. Then the algorithms searches for the corresponding subshift attractors (which are omega-limits of spreading sets found) as forward images of joins of signal subshifts.

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References

  1. Kůrka, P.: On the measure attractor of a cellular automaton. Discrete Continuous Dyn. Syst. 2005, 524–535 (2005) Supplement volume

    MATH  Google Scholar 

  2. Formenti, E., Kůrka, P.: Subshift attractors of cellular automata. Nonlinearity 20, 105–117 (2007)

    Article  MATH  MathSciNet  Google Scholar 

  3. Culik, K., Pachl, J., Yu, S.: On the limit set of cellular automata. SIAM J. Comput. 18(4), 831–842 (1989)

    Article  MATH  MathSciNet  Google Scholar 

  4. Maass, A.: On the sofic limit set of cellular automata. Ergod. Theory Dyn. Syst. 15, 663–684 (1995)

    Article  MATH  MathSciNet  Google Scholar 

  5. Kari, J.: The nilpotency problem of one-dimensional cellular automata. SIAM J. Comput. 21(3), 571–586 (1992)

    Article  MATH  MathSciNet  Google Scholar 

  6. Formenti, E., Kůrka, P.: A search algorithm for the maximal attractor of a cellular automaton. In: Thomas, W., Weil, P. (eds.) STACS 2007, vol. 4393, pp. 356–366. Springer, Berlin (2007)

    Chapter  Google Scholar 

  7. Boyle, M., Kitchens, B.: Periodic points for onto cellular automata. Indag. Math. 10(4), 483–493 (1999)

    Article  MATH  MathSciNet  Google Scholar 

  8. Hopcroft, J.E., Ullmann, J.D.: Introduction to Automata Theory, Languages and Computation. Addison-Wesley, Reading (1979)

    MATH  Google Scholar 

  9. Lind, D., Marcus, B.: An Introduction to Symbolic Dynamics and Coding. Cambridge University Press, Cambridge (1995)

    Book  MATH  Google Scholar 

  10. Kitchens, B.P.: Symbolic Dynamics. Springer, Berlin (1998)

    MATH  Google Scholar 

  11. Kari, J.: The Rice’s theorem for the limit sets of cellular automata. Theor. Comput. Sci. 127, 229–254 (1994)

    Article  MATH  MathSciNet  Google Scholar 

  12. Tarjan, R.: Depth-first search and linear search algorithms. SIAM J. Comput. 1, 146–160 (1972)

    Article  MATH  MathSciNet  Google Scholar 

  13. Knuutila, T.: Re-describing an algorithm by Hopcroft. Theor. Comput. Sci. 250, 333–363 (2001)

    Article  MATH  MathSciNet  Google Scholar 

  14. Jiang, T., Ravikumar, B.: Minimal NFA problems are hard. SIAM J. Comput. 22(6), 1117–1141 (1993)

    Article  MATH  MathSciNet  Google Scholar 

  15. Ilie, L., Yu, S.: Reducing NFAs by invariant equivalences. Theor. Comput. Sci. 306, 373–390 (2003)

    Article  MATH  MathSciNet  Google Scholar 

  16. Ilie, L., Solis-Oba, R., Yu, S.: Reducing NFAs by equivalences and preorders. In: Apostolico, A., Crochemore, M., Park, K. (eds.) Proceedings of the 16th CPM, Jeju Island, Korea, 2005. Lecture Notes in Computer Science, vol. 3537, pp. 310–321. Springer, Berlin (2005)

    Google Scholar 

  17. Ilie, L., Navarro, G., Yu, S.: On NFA reductions. In: Karhumaki, J. (ed.) Theory Is Forever (Salomaa Festschrift). Lecture Notes in Computer Science, vol. 3113, pp. 112–124. Springer, Berlin (2004)

    Google Scholar 

  18. Champarnaud, J.M., Coulon, F.: NFA reduction algorithms by means of regular inequalities. Theor. Comput. Sci. 327(3), 241–253 (2004)

    Article  MathSciNet  Google Scholar 

  19. Champarnaud, J.M., Coulon, F.: NFA reduction algorithms by means of regular inequalities—correction. Erratum in Theor. Comput. Sci. (2005)

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Correspondence to Enrico Formenti.

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Formenti, E., Kůrka, P. & Zahradník, O. A Search Algorithm for Subshift Attractors of Cellular Automata. Theory Comput Syst 46, 479–498 (2010). https://doi.org/10.1007/s00224-009-9230-6

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  • DOI: https://doi.org/10.1007/s00224-009-9230-6

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