One-Variable word equations in linear time

  • Authors:
  • Artur Jeż

  • Affiliations:
  • Max Planck Institute für Informatik, Saarbrücken, Germany,Institute of Computer Science, University of Wrocław, Wrocław, Poland

  • Venue:
  • ICALP'13 Proceedings of the 40th international conference on Automata, Languages, and Programming - Volume Part II
  • Year:
  • 2013

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Abstract

In this paper we consider word equations with one variable (and arbitrary many appearances of it). A recent technique of recompression, which is applicable to general word equations, is shown to be suitable also in this case. While in general case it is non-deterministic, it determinises in case of one variable and the obtained running time is $\mathcal{O}(n)$ (in RAM model).