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Holt, Derek F.; Röver, Claas E. (2003)
Publisher: Cambridge University Press
Languages: English
Types: Article
Subjects: QA
It is proved that the word problem of the direct product of two free groups of rank 2 can be recognised by a 2-tape real-time but not by a 1-tape real-time Turing machine. It is also proved that the Baumslag–Solitar groups B(1,r) have the 5-tape real-time word problem for all r != 0.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

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