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On 3-head versus 2-head finite automata

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A direct proof is given that shows that (one-way) 3-head deterministic finite automata are computationally more powerful than 2-head finite automata.

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References

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This research was supported by the National Science Foundation Grant GJ-35614.

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Ibarra, O.H., Kim, C.E. On 3-head versus 2-head finite automata. Acta Informatica 4, 193–200 (1975). https://doi.org/10.1007/BF00288748

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  • DOI: https://doi.org/10.1007/BF00288748

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