The cyclicity problem for the images of Q-rational series

نویسنده

  • Juha Honkala
چکیده

We show that it is decidable whether or not a given Q-rational series in several noncommutative variables has a cyclic image. By definition, a series r has a cyclic image if there is a rational number q such that all nonzero coefficients of r are integer powers of q. Mathematics Subject Classification. 11B85, 11U05, 68Q45.

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عنوان ژورنال:
  • RAIRO - Theor. Inf. and Applic.

دوره 45  شماره 

صفحات  -

تاریخ انتشار 2011