Abstract
A new criterion, namely the number of colours used by the instructions of a Turing machine program, is proposed to settle the frontier between a decidable halting problem and universality for Turing machines. The efficiency of this criterion has been proved by Pavlotskaïa, [3, 4], for deterministic Turing machines on alphabet {0,1}. It is used here in the case of non-erasing Turing machines on the same alphabet.
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References
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© 1993 Springer-Verlag Berlin Heidelberg
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Margenstern, M. (1993). Non erasing Taring machines: a frontier between a decidable halting problem and Universality. In: Ésik, Z. (eds) Fundamentals of Computation Theory. FCT 1993. Lecture Notes in Computer Science, vol 710. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-57163-9_32
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DOI: https://doi.org/10.1007/3-540-57163-9_32
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