It is shown that the problem whether there is a bound on the lengths of the words in the language accepted by an alternating one-window finite-memory automaton is decidable. The decision procedure relies on a kind of the pumping lemma for languages over infinite alphabets.

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Bounded Languages Over Infinite Alphabets

  • Yoav Danieli,
  • Michael Kaminski

摘要

It is shown that the problem whether there is a bound on the lengths of the words in the language accepted by an alternating one-window finite-memory automaton is decidable. The decision procedure relies on a kind of the pumping lemma for languages over infinite alphabets.